Some of the IM applications provided by the carriers use SMS instead of data, but BeeJive Palringo, Instango and most other IM applications will use data. If you don't want to pay for BeeJive, try Instango or Palringo which are both free.
Posted from my CrackBerry at wapforums.crackberry.com
ahh god bless u all so i will get beejive i can pay the fee i just dont wanna get it then all of a sudden i owe 700 bucks cu of text messages hahaha thx u everyone!