Apple today unveiled the second-generation iPod mini lineup with a new 4GB model priced at US$199 and a new 6GB model with 50 percent more storage priced at $249. Both iPod mini models feature increased battery life of up to 18 hours, USB charging and an ultra-portable, lightweight design available in four vibrant colors. The 4GB and 6GB models of iPod mini for Mac or Windows are available worldwide immediately in a choice of silver, pink, blue or green (gold discontinued), and include earbud headphones, a belt clip case, a USB 2.0 cable, and a CD with iTunes 4.7.1 for Mac and Windows computers.