DLO has released two updated cases for the 4G iPod. The Jam Jacket 40/20 silicone case ($29.95) and the Action Jacket neoprene case ($24.99). The Jam Jacket 40/20 features textured sides for gripping, a thin, built-in transparent screen protector, access to all functions and comes in several colors including Glow Green.The Jam Jacket 40/20 also comes in a 3-pack with Cobalt Blue, Clear and Glow Green for $39.99. The new Jam Jacket 40/20 cases are available for pre-order with shipping expected the last week of September. The Action Jacket 4G is available now.