Hi,
First problem I have run into is that I see a problem with wireless networks after rebuilding. They showed up for about 30 seconds and then disappeared.
From http://wiki.laptop.org/go/XO_1.5_B2#Software_Limitations :
* If you have a B2 without hardware mods, you must disable suspend using Control Panel->Power->Automatic power management, else your wireless device will disconnect on suspend and not come back until the next reboot.
- Chris.