I never wear either. I mean, what idiot would wear the uniforms of two illegal organizations in public? You would beg to be arrested.
I prefer the Db armor to the TG armor. The enchantments on the DB armor are infinitely more useful in game, and they're typically set at a higher percentage (I believe).
P.S. Since I play almost exclusively as Assassins (and I RP them heavily as well), I don't ever wear the armor in public (Cities, Towns, Villages, Merchant Caravans, etc). I have a full set of clothes hot-keyed along with my Ancient Shrouded Armor. Before I get to a city (or before I fast travel if I'm going for speed), I'll just bring up the instant menu and switch clothes.
Poof... instant incognito. This way I can RP how my assassins are infiltrating the town that their mark is inside of, etc. And the whole outfit weighs like... 5 or 6 pounds? I can handle that.
