Sony announces the NW-A820 Series Walkman players with integrated Bluetooth.

The Sony NW-A829 comes with 16GB flash memory and the NW-A828 features 8GB flash memory and would match the Apple iPod touch line-up if Apple had not introduced a 32GB iPod touch two weeks ago.
The new Sony NW-A820 series does not feature a touchscreen interface anyhow.
Features of the A829 and A828 include a 2.4 inch screen, MP3, WMA, and ATRAC music file support, MP4 and AVC video support, photo viewer, 36 hours music playback, 10 hour video playback, and of course integrated Bluetooth.

The Sony A820 players are rather thin measuring 93.6 x 50.2 x 9.3mm.

The new Sony NW-A820's are shipping in Japan on March 20th. No pricing available. Via this Sony press-release (Japanese).