Originally Posted by candyflip

Bloo - facebook app (better than native app)
Grooveshark - internet music streaming app
Everynote - note taking
Steel - browser app (more finger friendly)
Pro Zoom 5X Camera - camera app replacement
Shop Savvy - product information app
Astrid - to do app
Beautiful Widgets - get them all
Mobile GA - Google Analytics app
Paypal - paypal app
WaveSecure - security app (lock and delete phone info if it's stolen)
Meridian - media player app
Handcent - SMS app replacement (iPhone style sms app)