Myers for me and I didn't even think about it.
However, for you, think it depends on how your team looks. Are you stacked with bats and weak with pitching? Then Miller might be the way to go. If you are fairly balaned with pitching/hitting, then you keep/trade for Myers.
OF- Myers Jennings Heyward
U- Morneau, Ellsbury, Belt
SP-Price Greinke Fernandez Lee Miller
RP-Nathan, Grilli, Farquhar, Melacon