The Tapwave Zodiac was released on November 1, 2003 by Tapwave. Tapwave Zodiac is the first palm-based game system. being the first palms based it has abilities to read eBooks, display Photos, word processor, internet browser and other programs. The Tapwave Zodiac Unit used secure digital cards. It also had two expansion slots for secured digital cards. The Tapwave Zodiac it self had home brew on and shareware. Tapwave had and MPEG4 decoding on it but before it came out the company gone bankrupt. the screen size is a 3.8" that was touchscreen, using Li-Ion battery, and its weight 6.3 ounces. The batteries lasted about 6 hours for music. the price of it was $399 for an 128 MB version of it and $299 for the 32 MB version. now on ebay is about $90 for the system.

Links
Wiki Zodiac - geeks Tapwave zodiac