Best Newest Most Stable Release.
 

I'm giving in and willing to try WP7 over WM6.5, so I'm looking for a pleasant experience and not wanting to run into bugs galore with poor builds. So I thought I'd ask which is the best most stable and up to date build around...

Things I'm looking for:
Ease of installation
Feature rich
HTC Hubs
3.5mm Headphones and mic or bluetooth support

Also will I still be able to boot my SD Card Android Boxmax or do I need to adjust something, add a new Wp7 app or what?

It'll be on a us t-mo phone, I'll comeback with more required answers when it's out of the shop, finally got the mobo swapped out with a good one, unfortunately the mobo had windows mobile on it and the cellphone repair shop wanted to charge me 60 bucks to flash WP7 to it, I already paid them 70 and when I very first took it in they offered to flash it to WP7 for free and now they won't.