What does "crap crossfitter shoes" means? Why are they bad?
They're designed for crossfitters who want to do box jumps and gym lifts with the same shoe. If you do typical crossfitter shit with a normal pair of lifting shoes then they'll quickly fall apart. For instance, visit pendlays site, you'll see they have added a disclaimer to prevent crossfitters from wanting to return their shoes after they destroy them by misusing them for training other than lifting.
The main gripe with the powerlift trainer shoe is that the heel compresses which a good WL shoe should not. In fact that's one of the basic features of a WL shoe that it offers a stable platform to squat against.
FWIW I haven't tried them out, this is just what i've read from reviews, eg
http://board.crossfit.com/showthread.php?t=70283 (WFS)
dude there reckons he can compress it with his finger lol.
I must admit they look really sexy though. I wouldn't mind having a pair but I wouldn't use it as my main lifting shoe. The ironworks are prob the best choice out of the 3 you listed.
raptor which did you end up buying?