
~Completely customizable
~Free
~Hard to mess shit up, you just install your package and you're good to go
~Nothing to lose, you can dual-boot and still keep Windows
~Opensource, community oriented (you can get any question easily solved on forums)
~Can choose between many distros to suit what you like
~Can be made to look and operate like Windows, OSX, or anything in between
~All the software is free
~Boots up 100000x quicker than windows
This is my desktop (zomg looks like a mac but with functional window bar up top!):

you jelly?