I used Trillian .74 off and on for a while, so with the release of version 3.0, I decided it was time to use it full-time and get the Pro version. $25 is rather cheap for the utility it provides. And yes, I looked at GAIM before, but I just wasn't impressed.
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.