http://lifehacker.com/how-to-keep-your-overflowing-steam-library-neatly-organ-1352077149
I've been using Steam for several years now...did not know you could do this ???
Awesome. I usually only play a couple of games so I click the icon in the task bar to pull up what I want. But I can see how this is useful.
ahhh - now i can hide the list of shame of games im never going to play again