Saying "Portal is the most fun thing since sex" is like saying "atoms are rather small". Seriously, it's just a laugh. A very cerebral laugh.
i'll shorten that list for you: crysis has high requirements UT3 is too shiny for its own good kayne and lynch just plain sucks gears of war is far too easy on the PC COD4 is derivative Jericho also sucks done and done. just play the orange box and be done with it.