wow this totally sucks,,,don't get me wrong ,,I m 100% against piracy but this is not the way to prevent it.
http://www.digitalbattle.com/2008/06/19/mass-effect-allows-only-three-installs/
I m not a PC gamer,,so I want to know how you PC gamer feel about this?what happens if you have to format your PC from time to time?