The iPod touch is a worthy successor to the third gen. model. It is lighter and more responsive than its predecessor. It's highly recommended if you want a simple, intuitive touch based PMP, even if it comes with subpar headphones.
Arguably the most offbeat iPod yet, shuffle houses plenty of storage & excellent audio into a gorgeous fashion accessory. Apple's new entry-level DAP is not the value choice you might expect from the lowest-priced iPod.
YP-P3 has all of the major ingredients needed to become one of the best PMPs on the market but is hampered by a finicky capacitive touchscreen along with Sammy's implementation of ID3 tags and Bluetooth A2DP.