Are you talking about the Ring and Loop buttons that are in Selection Parameters inside of UnwrapUVW? Or the edge loop button inside of the Unwrap Editor window right next to the paint selection tool? Select loop and ring, can also be added to the quad menu, and bound to keys. I think its entirely pointless to use a 3rd…
Hadn't heard of unwrella, though it looks impressive (specifically the uv packing part). The biggest problem I see with it is that its specific to 3dsmax, which makes it useless in the future if you end up at a job using maya or other major packages other then max. I use headus for its relax/optimize tools but do all the…