If you've already misplaced the charging cable for your MyTouch 4G Slide, then it's time to hustle back to your local T-Mobile retailer, where the new QWERTY handset is joined at its in-store launch by Powercube's inductive charging cover. Sure, your bank account just received $200 worth of hurt, but if you've got a $90 buffer on your credit card, what's an extra $30 for the shell and $60 for the Powermat, espe
