If you can grab a TXM gold 550w for $100, definitely.
@madmatt30, yes, there are some of specifically the FSP Hyper (different PSU, although same platform performance and quality may differ), though they aren't carried out by a trusted professional reviewer and electrician , as far as I'm aware.
http://www.hardwaresecrets.com/why-99-percent-of-power-supply-reviews-are-wrong/
This is probably the best one (not saying it's good, just better than the rest): http://playwares.com/pcreview/45276124#
Though still no comments of the internal photos or description, author is unknown (to me at least) and test methodology is also unknown.