New pro/con: Music cannot be played via Bluetooth onto a Bluetooth headset.
New pro/con: No direct 3.5 mm headphone jack. Headphones need to be connected through an adapter (provided by Sony Ericsson).
New pro/con: Walkman function is VERY user-friendly and it truly is a phone / mp3 player combo device.
New pro/con: 2.0 megapixel camera leads the pack in the U.S. market
New pro/con: Durability is good, emerges from drops unscathed.