Considering under PR the Conservatives would still have won (though not with a majority- not sure that's necessarily a good thing) and the big winner would've been UKIP I'm not sure it's the way to go. Yes it's 'fairer' in the grand scheme of things but I also don't know quite how that works at a local level. At Westminster if 30% of votes means 30% of seats how are local MP's determined? In my constituency I don't expect or know how I'd be 30% represented by Conservatives, 25% by Labour, 10% by UKIP etc.