We've seen a few different styles of cases from Booq for the iPad 2, but Folio ($40) is certainly the most familiar of the bunch. A standard faux leather folio-style case, the iPad fits in the under the frame on the right side. Thanks to nice padding inside, it's a snug fit. It can be turned into a passive video viewing stand, although there's no typing angle. Magnets in the front cover hold the lid shut and also activate the device's automatic locking…