Epson has just introduced an upgrade to its P-2000 image viewer in Japan. The new P-4000 features a larger 80GB HDD, a large 3.5-inch LCD display and a 2600mAH battery.
The device displays JPEG files as well as RAW images from the Epson RD-1 and it can also play MPEG-4 movies at a 640 x 480 pixels resolution.
The P-4000 has CompactFlash Type and SD memory card slots and is available in Japan for 70,000 yen (about $629).
Source: DP Review