TD is the first. The more weathered the armor becomes, the more realistic. Scraps and scuffs become signs of trooping. There are a couple of 'older' TD's in our squad that are really either new recruits to Tat or TK's that wanna be TD's
After that would be a barc trooper. Every so often I put on a new pauldron or piece that is not weathered, and always get asked," why is that new".. All I say is that the old piece is worn out and the commander made me get a new one.