Although it may look like a generic tablet sleeve, JAVOedge's Austin Flex Sleeve for iPad 2 ($30) packs a trick that makes it stand out from the crowd. Made out of a seemingly synthetic material that's printed to look like a natural fabric, the sleeve folds in an origami-like fashion to form a stand that can be used with the iPad 2 in either portrait or landscape orientation; a small lip at the top edge holds the tablet in place. Magnets are supposed…