First of all.. SPEED!!

If u have iPhone 4 and has been using it happily, then u should come and try my iPhone 3G!

It has been so non-productive at all.. lol

Some of the most frequently used apps..

Password protected ok! lol

DocToGo, CHM reader, 2Do..

On screen keyboard is big enough for me to type like a physical keyboard

CHM reader

easy & fast

2Do to keep track all the stuff

Medscape for offline data

Extensive info in Medscape

Lots of excuses to buy iPad 2? LOL