What is a good, inexpensive cell phone that works for email and as a PDA?

I have a Blackberry 7130c and liked it til it broke, for its texting, email function and for its excellent PDA, so now I am trying to replace it without spending as much money.
Any replacement ideas would be greatly appreciated!
Good point, I am using AT&T/Cingular, and the coverage is excellent. I am up for a [...]