Try out the new version. I and a few others PPCGeekers I selected have done a lot of beta testing to work out many bugs. The many freezes should be eliminated or reduced greatly. Also vga screens are now supported properly.
This is for all you old users who may have given up on the software and anyone new that would like to join. Click the link in my signature to sign up. You can earn moeny while driving around town and on trips.
http://www.navizon.com/downloads/NavizonCab_3_5_2_6.CAB