It is a break news that the xbox 360 offical group release that the X360key Slim Support In Release Firmware now!
The following is the quote words from the offical site.
"We are very proud to announce that all Xbox 360 models, both Fat and Slim, will be supported from day 1. Slim support was scheduled for firmware 1.2, but thanks to the relentless efforts of our dedicated developers it will now be available in the first firmware."
This is a great news for thoes people who has slim Xbox 360.