I know that Hamilton has looked awesome and Johnson hasn't looked half bad, but the Bruins will need the defensive depth to make it through the playoffs.
I'm not a fan of moving McQuaid unless it upgrades them at D. Value wise it might be something the Oilers want to do depending on what their needs are and I think they really seem to need someone like McQuaid.
Hemsky is a top line forward if he was completely healthy and back to playing how he did 5 years go. His value has gone down a lot and rightfully so because he hasn't been healthy and his production has dropped when he has been. McQuaid is probably not that far off from what his value is now but the Bruins probably still have to add something.