If you wana be a decent hacker, you wana test your knowledge without ilegal breaking
on private servers and risking to be caught this is blog for you.Most of you heard for this guy and there are also many who didnt.
http://g0tmi1k.blogspot.com/
This guy dedicate last couple years breaking into virtual operating systems, which have been purposely vunerable by designe.He recorded,writed and shared every step he made to get into thous systems.All tools he use you can find on backtrack distribution,no windows included.