Incase has unveiled its new Leather Portfolio and Leather Book Jacket Select cases for the iPad 2. The Leather Portfolio case features a zippered closure, quilted taffeta and suede liners, internal organizer pockets for papers, pens, and other items, and the ability to convert into a workstation with viewing and working angles. It will come in black/gray or dark gray/port and will sell for $130; it is listed as coming soon. The Leather Book…