I'd say miller is your guy with Roethlisburger coming back. Quarless is an unproven commodity whereas you know what the Roethlisburger/Miller combo are capable of.
Thanks for the help on mine!
12 team, 0.5 PPR, 10yds rush/rec, 25 pass yd, 6 point TDs
1QB, 2RB, 2WR, 1TE, 1WR/RB/TE, 1K, 1DEF/ST
QB: Vick, Freeman
WR: Marshall, Gaffney, Amendola, N.Washington, VJax
RB: Peterson, Foster, Charles, Portis