Apple Peel 520 $79.99 w/free shipping from Lightake : Make calls and sms w/ipod touch!
the Yosion Apple Peel 520, it basically attaches to your Ipod Touch (except for, I believe, the newest generation with the camera) and allows you to use a sim card and make phone calls/ receive sms. <!—break—> It has an extended battery and mic as well. Although it's marketed as turning an Ipod Touch into an Iphone, it is different. There is no data plan, but it also allows you to use prepaid sim cards .
Lightake now sell updated version of Peel520,new version released on October 6th,fixed many bugs!