So I finally got into the groove with an iTouch

[kap]

First thing first, I tried to charge it ... FAILED! Wife's iPod's wall charger ain't compatible with this 8 Gig 3rd generation iTouch. That should indicate the amount of my knowledge on iTouch/iPod. So here are a few questions: where can I find a wall charger? A case? And do I need to subscribe to data service with ATT in order to use this iTouch? Tia. In the meanwhile I will read upon other elaborated info on this device