I agree with you Modelz about Max's ring and looping capabilities, for the most part they are quite good. Max does get finicky sometimes about what it wants to loop and/or ring...but we all have our off days. Just get in the habit of welding all verts every so often and you can mostly make things happen your way.
I have to admit I haven't used the other features of poly boost other than poly draw, haven't had a need to explore further and really just that feature alone is what inticed me most. It's hard to explain but once you use poly draw a couple of times you'll hit yourself wondering why you didn't bite earlier.

Comitted to excellence through art.