Yes Tegan - the big plus for fpp was that it nearly always prevented minority or coalition government. As you say, maybe that will no longer be seen to be true. However, there is a very complex debate to be had about what type of PR. The referendum on AV was a poor compromise, badly argued and of course rejected. When I was lecturing on politics, one of the learning exercises I used was to give students designated votes and then we set up different systems - FPP, AV and a variety of PR and they then used their vote and were then able to compare how different the results were. Since those days, many more countries have brought in PR and so there is a better base for comparison and evaluation now of different systems. I've moved in favour of some sort of PR over the years as I'm fed up of my vote not counting