I think we'd have to keep Benn in the AHL for atleast one season, I don't see why we don't resign Lundqvist if he's willing to play for a reasonable price and put him on the line with Richards and Eriksson at the start of the season - we have a couple of other options at that position if he doesn't work out there.
the other option (I think) would be signing a decent UFA forward (for around 2-3 million) to play on the wing with Richards.
I was thinking Benn would be called up for an injury then stay because of his play. So he'd fill in for a banged up Lehtinen then once he's healthy stay in the lineup. I'd be very surprised if he earned a spot out of training camp but anything is possible.
As for Lundqvist I just think for the money I'd rather have Sutherby or failing that Sawada provides the same play for the money and is younger, plus he'd be one of the few right wing, right shots on the club. Besides, if you're him, would you re-sign in Dallas to play on the forth line when he could probably move to another team and at least play a more significant checking roll. Somewhere out east so he's in New York more often and can see/play against his brother.