Thanks to all who made this upgrade possible! It is amazing how much more information the perspective view gives you -- and the speed of screen refreshes & graphics is surprisingly good. Overall, this is a really wonderful update. I'm finally excited again about what I consider to be a mediocre nav system.

I downgraded to v22 first and then back. Initially I had trouble with the upgrade (Nav CD/DVD would not read my disks) but I think it had to do with faulty burning on my CDR at home. Once I burned it at work it installed in 2 minutes.

One question -- Have others experinced loss of the split screen on Radio/Sat/Aux?