G1 here since Aug 2009.
Best apps:
Weather Bug(24/7)
Pandora
Google Maps(must have)
Calculus Tools(must have for college math students; its basically a TI83)
Documents to go(reads .doc docx, ect)
Movies
Astro
Alarm Clock
Ringdroid
PdaNet(teathering)
For more on teathering your G1/Andriod to your laptop for 3G coverage/signal:
http://www.junefabrics.com/android/
