The latest rumor about the Samsung Galaxy Tab is that the T-Mobile version of the device will sell for $399 with a contract and $650 without one.

Rumors are swirling about pricing and release date for the forthcoming Samsung Galaxy Tab, but the company has yet to confirm much beyond the .

The latest rumors come courtesy of Tmo news, which reported that T-Mobile will offer the tablet for $649.99 without a contract or $399 with a two-year contract after a $50 mail-in rebate. The rumor is based on a leaked ad that Tmo believed to be from a T-Mobile dealer.

The T-Mobile report follows from Boy Genius post. According to the blog, the Sprint version of the Tab will go on sale around Nov. 14 for $399 with a contract. The non-contract version was priced $50 less, however, at $599.

The Android-based device will be available on all four major U.S. carriers, . The question is, will this price point allow the tab to compete with the iPad? PCMag mobile analyst Sascha Segan and said the Tab would likely do best priced at $299 plus $20 per month for data and no contract.

To learn more, check out PCMag's .