Are search engines ok with pay-per-post services?

For those who aren’t aware, pay-per-post services, like Review Me, offer the opportunity to be reviewed by other websites. The site being reviewed must pay for the privilege, whether the review is good or bad. Obviously, there are links involved, and whenever there are links involved, Google is sure to have an opinion on it.

And what is that opinion?

According to Rand from SEOMoz, the search engines don’t seem overly bothered.

Then Matt Cutts erm…clarifies, as noted by Barry.

FUD, eh.

No, I’m not being paid to review anything in this post. Not even in kind