"Costly data plan?"5.0 starson by vansmackCA
Pros: Obviously, if you need/want a full keyboard and a 4 inch screen, this phone has the market cornered.
Cons: TouchWiz UI is not a slick as other UI's, but it's not awful. The GPS error is a little unforgivable in 2010, but they promise a fix soon.
Summary: I have some concerns about the use of "costly data plans" as a con for the phone in the CNET review. It's only "costly" if you're a current Sprint subscriber, and by "costly" Nicole means $10 more a month. Compare Unlimited plans of Verizon, T-Mobile and at&t, even with the additional $10 charge, and Sprint is still cheaper than the other three. That's a bit unfair, especially as we have yet to see what the others will do with their 4G networks when/if they have them up and running.