jarrod, there's an article that Eric has on his site: http://www.ericchadwick.com/examples/provost/byf1.html It explains issues with transform/fill rate, and unequal UV distribution.
That's an awesome idea Eric. If Ryan manages to get that functionality into Crazybump it'll basically be a 1-stop texture shop! (Then all it needs is a tiling method like imagesynth )
@Eric Chadwick Thanks! I'll give that a shot and start one up @sacboi Oh that's perfect! This is exactly the kind of thing I'm looking for. @carvuliero Thanks!