My current list...

-Pandora (essential)
-Facebook (duh...)
-iMusic (awesome music search app, you can stream and download practically any song free!!)
-Astro File Manager (gotta have one and this works great)
- Layar (sooo freakin amazing reality browser)
-Movies by Flixter (works perfectly to look up times for Puerto Rico)
- Ringdroid (MP3 trimmer replacement but better)
-Shopsavy (barcode scanner, great for looking up prices)
- Univision Mobile (great app for latinos)
-Steamy window (installed, had a few laughs...uninstalled)
-Metal Detector (installed, i was AMAZED that it works... uninstalled)
-Advanced Task Killer (IT F#^#KING KILLED MY SMS!!!! Never Again...uninstalled)

SIDE NOTE: isnt anyone else annoyed that there are so many freaking sound boards??? Now i know how a iphone user feels with fart apps....