When I first played the game, I spammed Brayflox over and over to get the battlemage robe, because I liked how it looked that much... when I finally got it I was almost lv45.

I definitely don't recommend doing that though. I guess I stumbled through somehow without too much difficulty as I was overlevelled for a good portion of the msq and got better gear from quests... that won't work if you've already finished the msq obviously and you're working on an alt job.

If you're diligent enough however you'll be replacing gear very quickly so trying to get a full/near full set from each dungeon is a waste. Get what you can while levelling, if you have bad luck and can't seem to get a replace a certain piece for more than 5 levels you can buy one from your GC or get an hq crafted one. If you want a particular piece for glamour you can get it at your leisure later, running the dungeon unsynced.