I got to test his chip once, like when I first joined this site. I had no problems with it, except for the fact, that after several times of trying to get those little flex-pins into the socket, the chip become unusable....
So to conclude, I cant say much about the XELIXIS, but please stop thanking M$, because it makes you look bad, and you should get a better advertisement sponsor....
On another note, I enjoyed my Matrix for the first day I had it, I flashed my TSOP, and I'm happy now, without any modchip....