What now, Verizon? Just a few days after Big Red lowered the price of Samsung's Galaxy Tab to $500 off-contract, Sprint's version has shed $100 -- which means you can now score it for $300 on a two-year deal. As long as you're willing to put your name on the dotted line, that now means that Sprint can put you into a Tab for less money than anyone but regional carrier US Cellular, which offers it for a bargain-basement $200. Interestingly, Sprint's shift comes on the heels of an
