PR is not perfect of course. I know it's an extreme example but the NSDAP (Nazis) took power in Germany under a Proportinal system. Even in more recent times Golden Dawn in Greece and Jobbik in Hungary have taken seats in Parliament. (Considerably the latter).
And in relation to the poll - I am still undecided. I will wait and see what ALL the manifestos say and judge them on this and how it will benefit me and my wider community. Party Politics shouldn't come into it.
From the 2010 Manifesto. Lambasted as 'rubbish' by almost everyone from within UKIP. People should judge them on what they propose at the next election, not on this nonsense.