Welcome to AC. Spend some time reading the stickies in the Evo hack threads. Learn as much as you can and ask any questions that confuse you. Their are plenty of members who will be willing to help you out. In the meantime get use to using stock and learning Android. Enjoy the forums and welcome aboard.
Evo hack threads:http://forum.androidcentral.com/htc-evo-4g-rooting-roms-hacks/