With just two days before the launch of the Samsung Exhibit 4G and Samsung Gravity SMART launch we thought you just might be interested to know how much each of the newest Android devices on T-Mobile will cost you. The Samsung Exhibit 4G will come in at $79.99 after a $50 mail in rebate on a two year contract. The Samsung Gravity SMART will come in a little cheaper at $69.99 after a $50 mail in rebate. Both the Exhibit 4G and Gravity SMART are excellently priced as introductory Android phones especially the Exhibit 4G which offers up 21Mbps HSPA+ speeds at a low price. Any takes on these devices? Both devices will arrive on Wednesday, June 22nd.