You will be able to buy the Motorola Cliq, their social networking-focused version of an Android phone, on November 2 for $200. If you pre-order the device from Oct. 19 to Nov. 1, you'll be guaranteed to receive it first.
T-Mobile also says that their voice plans start at $30 a month, with the accompanying data plan costing another $25 a month. [T-Mobile]