diff --git a/gviz.py b/gviz.py
index f28dc0b..0884984 100644
--- a/gviz.py
+++ b/gviz.py
@@ -55,7 +55,6 @@ class gviz(wx.Panel):
         
     def clear(self):
         self.lastpos=[0,0,0,0,0]
-        self.Bind(wx.EVT_PAINT,self.paint)
         self.lines={}
         self.pens={}
         self.layers=[]
diff --git a/printcore.py b/printcore.py
index 9a41a2e..a835522 100644
--- a/printcore.py
+++ b/printcore.py
@@ -2,7 +2,7 @@
 from serial import Serial
 from threading import Thread
 import time
-import getopt, sys
+import sys
 
 class printcore():
     def __init__(self,port=None,baud=None):
diff --git a/pronterface.py b/pronterface.py
index 8c63995..f79d3ca 100644
--- a/pronterface.py
+++ b/pronterface.py
@@ -37,6 +37,7 @@ class Tee(object):
 class PronterWindow(wx.Frame,pronsole.pronsole):
     def __init__(self, filename=None,size=winsize):
         pronsole.pronsole.__init__(self)
+        self.settings.last_file_path = ""
         self.filename=filename
         os.putenv("UBUNTU_MENUPROXY","0")
         wx.Frame.__init__(self,None,title="Printer Interface",size=size);
@@ -395,6 +396,7 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         self.gwindow.Show()
         
     def setfeeds(self,e):
+        self.feedrates_changed = True
         try:
             self.settings._set("e_feedrate",self.efeedc.GetValue())
         except:
@@ -436,9 +438,10 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         self.statuscheck=0
         self.p.recvcb=None
         self.p.disconnect()
-        self.save_in_rc("set xy_feedrate","set xy_feedrate %d" % self.settings.xy_feedrate)
-        self.save_in_rc("set z_feedrate","set z_feedrate %d" % self.settings.z_feedrate)
-        self.save_in_rc("set e_feedrate","set e_feedrate %d" % self.settings.e_feedrate)
+        if hasattr(self,"feedrates_changed"):
+            self.save_in_rc("set xy_feedrate","set xy_feedrate %d" % self.settings.xy_feedrate)
+            self.save_in_rc("set z_feedrate","set z_feedrate %d" % self.settings.z_feedrate)
+            self.save_in_rc("set e_feedrate","set e_feedrate %d" % self.settings.e_feedrate)
         try:
             self.gwindow.Destroy()
         except:
@@ -614,11 +617,13 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         thread(target=self.skein_monitor).start()
         
     def loadfile(self,event):
-        basedir="."
-        try:
-            basedir=os.path.split(self.filename)[0]
-        except:
-            pass
+        basedir=self.settings.last_file_path
+        if not os.path.exists(basedir):
+            basedir = "."
+            try:
+                basedir=os.path.split(self.filename)[0]
+            except:
+                pass
         dlg=wx.FileDialog(self,"Open file to print",basedir,style=wx.FD_OPEN|wx.FD_FILE_MUST_EXIST)
         dlg.SetWildcard("STL and GCODE files (;*.gcode;*.g;*.stl;)")
         if(dlg.ShowModal() == wx.ID_OK):
@@ -626,7 +631,10 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
             if not(os.path.exists(name)):
                 self.status.SetStatusText("File not found!")
                 return
-            if name.endswith(".stl"):
+            path = os.path.split(name)[0]
+            if path != self.settings.last_file_path:
+	            self.set("last_file_path",path)
+            if name.lower().endswith(".stl"):
                 self.skein(name)
             else:
                 self.f=[i.replace("\n","").replace("\r","") for i in open(name)]
@@ -636,6 +644,7 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
                 
     def loadviz(self):
         self.gviz.clear()
+        self.gwindow.p.clear()
         for i in self.f:
             self.gviz.addgcode(i)
             self.gwindow.p.addgcode(i)