This topic's been covered tons of times. You'll get every response imaginable. It centers primarily whether you like SureType or hate it. Try one out at the store first, and see if you like it. I happen to like SureType...it learns words as I go and over the course of the two months I've had my Pearl, it's gotten to know me better.
Sprint 8130 (Amethyst)
Previous BBs owned: Nextel 7510, 7520, 7100i, Sprint 8703e, AT&T 8300