Originally Posted by mcan
It'll have a lot to do with our DC choice, but I think we are at least one decent good middle linebacker away from a successful 3-4 scheme. Say what you will about 1 gap, 2 gap, linemen... For the most part, if they are talented they can do the job with some coaching. But try running a 3-4 with only one decent middle linebacker and you'll be sorry. (see also: Chiefs).
If we switch to the 4-3 (Wide 9 I'm assuming), we need a new NT or 3-tech depending on where our DC wants to play Poe and assuming Powe/Bailey aren't the answer, a new DE, and a new Will and Mike (DJ is an acceptable stop gap playing the Will or Mike IMO.