Pandora , Slacker, iheartradio (Music streaming apps)
+1 Handcent SMS
Chrome to Phone if you use Chrome all the time
Dolphin Browser HD (+ LastPass Premium for $12/year)
Mint.com is ____ing awesome
"Movies". Awesome for finding showtimes and ratings for movies.
Obviously the Newegg app. It's basically just a mobile interface for their website.
ROM Manager (root)
Titanium Backup (root)
SMS Backup (Backs up SMS to your Gmail account under a label. It's awesome)
Unblock Me Free - Awesome free puzzle game
Angry birds - Mentioned before - Awesome
DirecTV app if you have DirecTV