I just checked on the T-Mobile website and they added the Sidekick 2 to the prepaid line-up. That thing is expensive. I also heard that it is $1.00 a day for unlimited data usage no matter if you use it or not. The airtime usage is .15 cents per minute. It comes with $15 worth of airtime.

Here is the link:
http://www.t-mobile.com/prepaid/starterkits.asp »