Yes, the M528 runs XP:
http://www.umpcfever.com/news/?postid=827Its power jack is also a standard one - 2 pins. OQO's proprietary DC simply pisses me off.
The battery life is the same class of OQO, 2 hours:
http://umpcfever.com/news/?postid=828But it is significantly thinner and lighter, a double-cap battery will be very acceptable and will certainly not cost $200. Even with the standard battery, I can easily add my own external power because it has a very standard 5V DC jack.
GPS, 2 cameras, USB-client/host ports, 3G, SD and SIM slots are all included.
OQO is now in big trouble.