Ok there is a lot of laming going on so I thought we could aim that anger in a constructive way.
Basically the game is simple.

It is a new twist on the OS war thing but read on its different.

First you post your fave OS and list its advantages.
The next person to reply lists the disadvantages and the advantages of their fave OS and so on until we get a good view on all types of OS!

Ok here goes!!!