T-Mobile will be the first US Carrier to release the 9900. I am sure AT&T and other US carriers will follow, however T-Mo wins the prize for 1st place. On August 31st, these devices will hit the shelves.

T-Mobiles Facebook Press Release:
Available August 31, the BlackBerry® Bold™ 9900 will be the first 4G BlackBerry® smartphone to run on America’s Largest 4G Network™. The 4G-capable BlackBerry Bold 9900 is the thinnest BlackBerry smartphone ever (at only 10.5mm) and the first to offer the perfect union of a high-performance keyboard and brilliant touch display integrated within the iconic BlackBerry Bold design. Featuring a range of powerful hardware enhancements including a 1.2 GHz processor, Liquid Graphics™ technology 24-bit high-resolution graphics and advanced sensors, the new smartphone is designed to deliver the ultimate in communications, multimedia and productivity. The BlackBerry Bold 9900 is expected to cost $299.99 after a $50 mail-in-rebate card, with a two-year service agreement and qualifying Classic voice and data plan.

Will you be buying a T-Mobile 9900?