For what it's worth the MTBR reveiws are the best. That site has a way of policeing itself. I've seen members call bull-sh1t on one-another if they see a suspicious review.
As for ridemonkey, I get the feeling there are a few too many teens aboard. Not saying thier views dont count, just that I like a bit more maturity when it comes to a product review. But ridemonkey is def sickzor!!