first root your phone ( its easy don't worry ) - superuser, Juice Defender, setCPU, chrome to phone, google goggles, google voice, Unified Remote ( for media center pc), Link2SD, Wireless Tether, Titanium Backup, Quick Settings, Power Control Widget, Audio Galaxy ( plays your music off of network drives), Qik ( live video ), Twidoryd, Dropbox, Springpad ( along with chrome extension ) , google docs, and of course google navigation and gmail.
