1. WM5 should:
http://www.microsoft.com/windowsmobi...joy-games.mspx
2. Yes, you can go to WM6.5 but don't do it blindly. Watch the videos and tutorials:
http://forum.ppcgeeks.com/showthread.php?t=77355
3A. Don't need to unlock. Need to activate on CDMA network; never heard of PagesPlus.
3B. Right, no GPS functionality except 911.
4. All info in this forum and the update subforum applies to the Apache. This is a pretty old forum so not that active but I'm pretty sure if you search you will find the answer. Someone has asked it before!