Nite ize! Been using the holster since I got my xv6800. Its a nice fit for the TP2 with innocase. They have different sizes, and models now. Mine is a medium I believe. I work construction so its been put through its paces. They have leather ones now that look nice too.
http://www.niteize.com/category.php?category_id=27
*edit It was around $15 I believe