diff --git a/offlineimap/init.py b/offlineimap/init.py
index 30a31ae..670ab07 100644
--- a/offlineimap/init.py
+++ b/offlineimap/init.py
@@ -22,7 +22,6 @@ from offlineimap.localeval import LocalEval
 from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread
 import offlineimap.ui
 from offlineimap.CustomConfig import CustomConfigParser
-from offlineimap.ui.detector import DEFAULT_UI_LIST
 from optparse import OptionParser
 import re, os, sys
 from threading import *
@@ -154,7 +153,7 @@ class OfflineImap:
               "configuration file. The UI specified with -u will "
               "be forced to be used, even if checks determine that it is "
               "not usable. Possible interface choices are: %s " %
-              ", ".join(DEFAULT_UI_LIST))
+              ", ".join(offlineimap.ui.UI_LIST.keys()))
 
         (options, args) = parser.parse_args()
 
@@ -190,10 +189,19 @@ class OfflineImap:
                     section = "general"
                 config.set(section, key, value)
 
-        #init the ui, and set up additional log files
-        ui = offlineimap.ui.detector.findUI(config, options.interface)
+        #init the ui, cmd line option overrides config file
+        ui_type = config.getdefault('general','ui', 'TTY.TTYUI')
+        if options.interface != None:
+            ui_type = options.interface
+        try:
+            ui = offlineimap.ui.UI_LIST[ui_type](config)
+        except KeyError:
+            logging.error("UI '%s' does not exist, choose one of: %s" % \
+                              (ui_type,', '.join(offlineimap.ui.UI_LIST.keys())))
+            sys.exit(1)
         offlineimap.ui.UIBase.setglobalui(ui)
-    
+
+        #set up additional log files
         if options.logfile:
             ui.setlogfd(open(options.logfile, 'wt'))
     
@@ -239,7 +247,7 @@ class OfflineImap:
     
         def sigterm_handler(self, signum, frame):
             # die immediately
-            ui = BaseUI.getglobalui()
+            ui = offlineimap.ui.getglobalui()
             ui.terminate(errormsg="terminating...")
 
         signal.signal(signal.SIGTERM,sigterm_handler)
diff --git a/offlineimap/ui/__init__.py b/offlineimap/ui/__init__.py
index 0206ab4..83d81c6 100644
--- a/offlineimap/ui/__init__.py
+++ b/offlineimap/ui/__init__.py
@@ -1,6 +1,5 @@
-# UI module directory
-# Copyright (C) 2002 John Goerzen
-# <jgoerzen@complete.org>
+# UI module
+# Copyright (C) 2010 Sebastian Spaeth <Sebastian@SSpaeth.de>
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
@@ -16,23 +15,17 @@
 #    along with this program; if not, write to the Free Software
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
+from offlineimap.ui.UIBase import getglobalui, setglobalui
+from offlineimap.ui import TTY, Noninteractive, Machine
 
-import UIBase, Blinkenlights
+UI_LIST = {'TTY.TTYUI': TTY.TTYUI,
+           'Noninteractive.Basic': Noninteractive.Basic,
+           'Noninteractive.Quiet': Noninteractive.Quiet, 
+           'Machine.MachineUI': Machine.MachineUI}
+
+#add Blinkenlights UI if it imports correctly (curses installed)
 try:
-    import TTY
+    from offlineimap.ui import Curses
+    UI_LIST['Curses.Blinkenlights'] = Curses.Blinkenlights
 except ImportError:
     pass
-
-try:
-    import curses
-except ImportError:
-    pass
-else:
-    import Curses
-
-import Noninteractive
-import Machine
-
-# Must be last
-import detector
-
diff --git a/offlineimap/ui/detector.py b/offlineimap/ui/detector.py
deleted file mode 100644
index 4ec7503..0000000
--- a/offlineimap/ui/detector.py
+++ /dev/null
@@ -1,54 +0,0 @@
-# UI base class
-# Copyright (C) 2002 John Goerzen
-# <jgoerzen@complete.org>
-#
-#    This program is free software; you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation; either version 2 of the License, or
-#    (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program; if not, write to the Free Software
-#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
-
-import offlineimap.ui
-import sys
-
-DEFAULT_UI_LIST = ('Curses.Blinkenlights', 'TTY.TTYUI',
-                   'Noninteractive.Basic', 'Noninteractive.Quiet',
-                   'Machine.MachineUI')
-
-def findUI(config, chosenUI=None):
-    uistrlist = list(DEFAULT_UI_LIST)
-    namespace={}
-    for ui in dir(offlineimap.ui):
-        if ui.startswith('_') or ui in ('detector', 'UIBase'):
-            continue
-        namespace[ui]=getattr(offlineimap.ui, ui)
-
-    if chosenUI is not None:
-        uistrlist = [chosenUI]
-    elif config.has_option("general", "ui"):
-        uistrlist = config.get("general", "ui").replace(" ", "").split(",")
-
-    for uistr in uistrlist:
-        uimod = getUImod(uistr, config.getlocaleval(), namespace)
-        if uimod:
-            uiinstance = uimod(config)
-            if uiinstance.isusable():
-                return uiinstance
-    sys.stderr.write("ERROR: No UIs were found usable!\n")
-    sys.exit(200)
-    
-def getUImod(uistr, localeval, namespace):
-    try:
-        uimod = localeval.eval(uistr, namespace)
-    except (AttributeError, NameError), e:
-        #raise
-        return None
-    return uimod