See
http://androidforums.com/all-things...brought-you-mdw-oc-flash-10-1-a-new-post.html on instructions on how to go to 2.2 - mind you this is an un-official leaked version of the OS, not official, and you'll need to have your phone rooted.
And yes, Android is just the Operating System - it'd be like you telling someone that you need help with your car and saying it is a gasoline-based engine...they are gonna want more info, like #cylinders, displacement, etc.