diff --git a/direct/src/directscripts/eggcacher.py b/direct/src/directscripts/eggcacher.py
index 5cf5dba352..0da0cea9bb 100644
--- a/direct/src/directscripts/eggcacher.py
+++ b/direct/src/directscripts/eggcacher.py
@@ -12,11 +12,9 @@ import os,sys
 from pandac.PandaModules import *
 
 class EggCacher:
-    def __init__(self):
-        if (len(sys.argv) != 2):
-            print "Usage: eggcacher <file-or-directory>"
-            sys.exit(1)
-
+    def __init__(self, args):
+        maindir = Filename.fromOsSpecific(os.getcwd()).getFullpath()
+        ExecutionEnvironment.setEnvironmentVariable("MAIN_DIR", maindir)
         self.bamcache = BamCache.getGlobalPtr()
         self.pandaloader = PandaLoader()
         self.loaderopts = LoaderOptions()
@@ -24,29 +22,60 @@ class EggCacher:
             print "The model cache is not currently active."
             print "You must set a model-cache-dir in your config file."
             sys.exit(1)
+        self.parseArgs(args)
+        files = self.scanPaths(self.paths)
+        self.processFiles(files)
 
-    def traversePath(self, path):
+    def parseArgs(self, args):
+        self.concise =0
+        while len(args):
+            if (args[0]=="--concise"):
+                self.concise = 1
+                args = args[1:]
+            else:
+                break
+        if (len(args) < 1):
+            print "Usage: eggcacher options file-or-directory"
+            sys.exit(1)
+        self.paths = args
+
+    def scanPath(self, eggs, path):
         if (os.path.exists(path)==0):
             print "No such file or directory: "+path
             return
         if (os.path.isdir(path)):
             for f in os.listdir(path):
-                self.traversePath(os.path.join(path,f))
+                self.scanPath(eggs, os.path.join(path,f))
             return
         if (path.endswith(".egg")) or (path.endswith(".egg.pz")):
+            size = os.path.getsize(path)
+            eggs.append((path,size))
+        
+    def scanPaths(self, paths):
+        eggs = []
+        for path in paths:
+            abs = os.path.abspath(path)
+            self.scanPath(eggs,path)
+        return eggs
+
+    def processFiles(self, files):
+        total = 0
+        for (path,size) in files:
+            total += size
+        progress = 0
+        for (path,size) in files:
             fn = Filename.fromOsSpecific(path)
             cached = self.bamcache.lookup(fn,"bam")
-            if (cached == None):
-                print "Not cacheable: "+path
-            elif (cached.hasData()):
-                print "Already Cached: "+path
-            else:
-                print "Caching "+path
+            percent = (progress * 100) / total
+            report = path
+            if (self.concise): report = os.path.basename(report)
+            print "Preprocessing Models %2d%% %s" % (percent, report)
+            sys.stdout.flush()
+            if (cached) and (cached.hasData()==0):
                 self.pandaloader.loadSync(fn, self.loaderopts)
             ModelPool.releaseAllModels()
-
-cacher = EggCacher()
-for x in sys.argv[1:]:
-    cacher.traversePath(os.path.abspath(x))
+            progress += size
 
 
+cacher = EggCacher(sys.argv[1:])
+
diff --git a/direct/src/directscripts/packpanda.nsi b/direct/src/directscripts/packpanda.nsi
index 8fc0c3b39d..7a9aa5bb29 100755
--- a/direct/src/directscripts/packpanda.nsi
+++ b/direct/src/directscripts/packpanda.nsi
@@ -100,7 +100,7 @@ Section "${SMDIRECTORY}" SecCore
         File /r "${PANDA}\pandac\*.py"
         SetOutPath $INSTDIR\python
         File /r "${PANDA}\python\*"
-        CreateDirectory $INSTDIR/modelcache
+        CreateDirectory "$INSTDIR\modelcache"
 
         RMDir /r "$SMPROGRAMS\${SMDIRECTORY}"
         CreateDirectory "$SMPROGRAMS\${SMDIRECTORY}"
@@ -114,6 +114,13 @@ Section "${SMDIRECTORY}" SecCore
             SetOutpath $INSTDIR\game
             File /r "${PPGAME}\*"
             CreateShortCut "$SMPROGRAMS\${SMDIRECTORY}\Play ${NAME}.lnk" "$INSTDIR\python\ppython.exe" "${PPMAIN}" "$INSTDIR\${PPICON}" 0 SW_SHOWMINIMIZED "" "Play ${NAME}"
+            # Preload all EGG files into the model-cache
+            SetOutPath $INSTDIR
+            SetDetailsPrint textonly
+            SetDetailsView show
+            nsExec::ExecToLog '"$INSTDIR\bin\eggcacher.exe" --concise game'
+            SetDetailsPrint none
+            SetDetailsView hide
 
         !else
 
@@ -146,6 +153,13 @@ Section "${SMDIRECTORY}" SecCore
             File /r /x CVS "${PANDA}\models\*"
             SetOutPath $INSTDIR\samples
             File /r /x CVS "${PSOURCE}\samples\*"
+            # Preload all EGG files into the model-cache
+            SetOutPath $INSTDIR
+            SetDetailsPrint both
+            SetDetailsView show
+            nsExec::ExecToLog '"$INSTDIR\bin\eggcacher.exe" --concise models samples'
+            SetDetailsPrint none
+            SetDetailsView hide
 
             SetOutPath $INSTDIR
             WriteINIStr $INSTDIR\Website.url "InternetShortcut" "URL" "http://panda3d.etc.cmu.edu/"
@@ -201,9 +215,6 @@ Section -post
 
         !ifndef PPGAME
 
-        # Preload all EGG files into the model-cache
-        ExecWait '"$INSTDIR\bin\eggcacher.exe" samples models"
-
         # Add the "bin" directory to the PATH.
         Push "$INSTDIR\python"
         Call RemoveFromPath
diff --git a/doc/makepanda/makepanda.py b/doc/makepanda/makepanda.py
index b216b414f7..3b312edf0e 100755
--- a/doc/makepanda/makepanda.py
+++ b/doc/makepanda/makepanda.py
@@ -1010,7 +1010,7 @@ def CopyAllFiles(dstdir, srcdir, suffix=""):
 def CompileAllModels(dstdir, srcdir):
     for x in GetDirectoryContents(srcdir, ["*.egg", "*.flt"]):
         eggpz = os.path.basename(x[:-4] + ".egg.pz")
-        EnqueueEggPZ("", dstdir + eggpz, srcdir + x)
+        EnqueueEggPZ(dstdir + eggpz, srcdir + x)
 
 def CopyAllHeaders(dir, skip=[]):
     for filename in GetDirectoryContents(dir, ["*.h", "*.I", "*.T"], skip):
@@ -1427,16 +1427,16 @@ def EnqueueLink(dll=0, obj=[], opts=[], xdep=[], ldef=0):
 #
 ##########################################################################################
 
-def CompileEggPZ(preconv, eggpz, src):
+def CompileEggPZ(eggpz, src):
     if (src.endswith(".egg")):
         CopyFile(eggpz[:-3], src)
     elif (src.endswith(".flt")):
-        oscmd("built/bin/flt2egg " + preconv + " -o " + eggpz[:-3] + " " + src)
+        oscmd("built/bin/flt2egg -ps keep -o " + eggpz[:-3] + " " + src)
     oscmd("built/bin/pzip " + eggpz[:-3])
 
-def EnqueueEggPZ(preconv, eggpz, src):
+def EnqueueEggPZ(eggpz, src):
     dep = [src, "flt2egg.exe"]
-    SDependencyQueue([], [CompileEggPZ, preconv, eggpz, src], [eggpz], dep)
+    SDependencyQueue([], [CompileEggPZ, eggpz, src], [eggpz], dep)
 
 ##########################################################################################
 #