Paid the money, got access to contact people straight away.
2 weeks of fruitless searching, a fair bit of time and effort.
3 Stars because there doesn't seem to be fundementally wrong with the site, just that I got no result out of it. I'd give it another shot if I was in a position to use it again.
For better success include photos, even of yourself. Success probably really depends on market conditions (ie how many people are looking for housemates compared to rooms available).