I think it was poor design for SE to not include an achievement for tanks (and maybe healers?) that rewards them for going into low level roulette's similar to the ex/coil tank achievement. For example; if you do 200 low level dr runs you get a mount or item or armor, just something that says here's a little something for you to work towards other than more gil. Which atm is quite useless with extremely polarized market prices and undercutting so bad it would make any market analyst want to hang themselves.

If you need further proof of this simply look at all the threads crying out about long queue times and ask yourself why is it so?