Belkin has a new group of cases for the iPhone 3G and 3GS. The ergonomic Grips, at $29.99, have a thick layer of silicone and textured designs. Other models include the Vector Duo at $19.99 and the Ergo and two-toned Vector for $29.99. All allow for charging while the phone is inside. The company also has new Leather cases for $29.99 and BodyGuard cases for $29.99 and $34.99. Some are available now while others are expected next month.