AT&T has finally sent out the rundown on when (and for how much) its customers will be able to saddle themselves with a Pre Plus and matching two-year contract, and the wait isn't a long one: it launches this coming Sunday, May 16, just as we'd expected. It'll run $149.99 on contract after rebate -- the same that Sprint is charging for the Pre, and $100 more than Verizon is charging for its own Pre Plus -- but buyers will be getting a free Touchstone charging dock along with their purchase "for a limited time." There