Hopefully the Motorola ROKR E2 will be more of a success than its predecessor. The original ROKR failed to make its mark in the cellphone market, but the E2 aims to erase such memories. This Linux-based handset boasts a robust MP3 player that supports the most common digital audio formats, and the USB 2.0 connection makes transferring songs a snap. The E2 comes with a SD card slot that enables you to carry up to 2GB worth of music on the go, while the built-in FM radio keeps you entertained when you’ve run out of songs. The Motorola ROKR E2 currently retails for approximately $355 in Singapore, so we aren’t sure if this is an Asia-only handset. Does anyone out there have any details?