So I am new into the world of playing with phones. I come from the computer realm as an engineer for the past 10years or so. So far I have not tried to root or anything but I fully intend to give it a try in the very near future. Anyways the reason behind this post is I am interested in the possibility to dual boot my device....IE I want to keep the stock build of 2.1 with sense but I want to be able to still play around with a 2.1 or even 2.2 (hopefully) ROM without losing my stock setup. Is this even possible? I hear alot of people also saying they switch between ROMs often....can you do that without losing all of the data that you have loaded on the phone already? If that is the case then switching back and forth between stock and a new ROM takes out the need for the dual boot requirement...though i think dual boot would be really nice.