Following a number of overnight announcements from buzzing carrier T-Mobile, pricing has been confirmed for two anticipated devices set to launch this spring. First up, the T-Mobile Sidekick 4G will cost $99.99 after rebate on a new two-year contract. Built by Samsung, the new Sidekick will feature Android 2.2, a slide-out QWERTY keypad, a 3.5-inch TFT display, a 1GHz processor, a 3-megapixel rear camera and a VGA front-facing camera for video chat. Also priced was T-Mobile’s upcoming G-Slate by LG. The tablet will run $529.99 after rebate with a two-year contract for data service, and specs include an 8.9-inch HD display capable of 3D playback, a dual-core 1GHz Tegra 2 processor and the Android 3.0 (Honeycomb) operating system. Both devices will be available this spring, though specific release dates have not yet been revealed.