Does anyone know what the weight thresholds for rolls are now? I haven't noticed any difference between rolls for <25% max load, 25-50%, and 50-75%. 75%+ results in a noticeable Fat Roll, though. Does that mean there's only Quick Rolls (0-75% max load) and Fat Rolls (75%+ max load)? Or is there another Roll/Move Tier in there I'm missing?

There are several things that affect roll. Adaptability makes your animation faster. Weight makes the roll longer or shorter depending on how much weight you have on.

It seems, from some stuff that I've read, that it doesn't affect the type of roll you do "fast roll vs fat roll" unless you have a high weight burden. What it seems to do though is more affect the distance you cover in a roll, how quickly your stamina recovers, and general movement. This video talks more about that with the actual thresholds.

http://www.youtube.com/watch?v=BwSNzUD0lms

@vashyron: That explained a lot; much appreciated. No wonder I had trouble noticing the changes at lower weight loads; the changes are gradual instead of occuring at fixed thresholds now.