Longhorn is a closed beta. Closed as in, if you know enough to beta-test then you would most likely (and i do use the term most-likely quite loosely) know how to go about it 
MSDN is not free.
http://msdn.microsoft.com/howtobuy/subscribers/
__________________
ASUS P5K Premium WiFi-AP, Q6600@3.7 / ASUS P5ND, E6400@3.8
4GB OCz Platinum XTC 8500 / 4GB CorsairXMS2 6400
5x500GB Seagate 7200.10 / 2x500 Seagate 7200.10
OCz 8800GTX 768MB @ 630/800 / 2x Galaxy 8800GT SLI
|