I personally have had Bibby for the last week or so (last week was a 5 game week for ATL

) and have been rather satisfied with his play as of late.
Larry Drew seems to agree and has said he wants to feature Bibby more in the offense whether that happens or not who knows but he's getting you a solid 2.0 3PTM a game right now..
I also picked up Marvin Williams the other day on a flyer, but truthfully even with the increase in minutes he's bound to get he's just a filler player as he doesn't get much in terms of fantasy.
He doesn't hurt but doesn't significantly help in any category either... For Roto I'd give him a look.