Head on over to Radio Shack to pre-order T-Mobile’s latest Android 2.1 smartphone, the Samsung Vibrant. Pre-orders taken before July 18 will receive a $50 Radio Shack gift card as well. The Vibrant is priced at $199.99 with a two-year service agreement and $30/mo minimum data plan. For those looking to buy the handset outright, $499.99 is the going rate. Pre-orders will ship on July 21.