This is the best one I've found yet.... http://www.letstalk.com/htc-thunderbolt-rubberized-case-with-extended-battery-support

It should have been apparent when one couldn't even change their forum alias, due to a misspelling, that this would be a company that has no ethics at all when it comes to servicing their customers! I too, only went with the Thunderbolt for the 4g capability and am so disgusted with this company...