Verizon is bringing a nice bit of consistency to its tablet offerings today by introducing a new two-year deal on the Samsung Galaxy Tab. The 7-inch tablet was previously available only on an unsubsidized basis, however now that the Motorola Xoom has become available with a $200 subsidy in exchange for a 24-month commitment, Verizon is extending the same courtesy to potential Tab buyers as well. That means you now have a choice between the $500 strings-fre