Just thought I would post this to anyone interested. I just recieved mine, so far I love it. It is just a simple OEM holster for an uncased thunderbolt. Also fits the extended battery. Best thing I like is you can see the notification light while it is in the holster.
Amazon.com: Black OEM Rubberized Holster, 70H00375-01M For HTC Thunderbolt: Electronics
Amazon.com: Black OEM Rubberized Holster, 70H00375-01M For HTC Thunderbolt: Electronics