Chan Gailey is on record saying the Bills will be a multiple front team in 2011, I believe that will be a mistake. Of course many teams use multiple fronts throughout a game as down and distance dictates on field personnel. However, multiple fronts as a base package is middling which does not create a defensive identity and NFL rosters do not have enough room to employ quality players for two different defensive schemes and quality depth for all three phases of the game . Commit to a 3-4 or 4-3 and then go forward, it is much simpler to make and execute a plan if you know what you want to become. In 2010, of the top 10 defenses, 5 were 3-4's, 4 were 4-3 and of course 1 (Baltimore, there always has to be an exception) used multiple fronts. Scheme doesn't matter, good defensive players make good defenses, just make your players match your scheme.
I would personally like to see a committment to the 3-4. Get a fire breathing, fat, ogre like, mean with bad breath, strobe light eyed 400lb alien of a nose tackle with nostrils 3 feet wide and build from the inside out. I would experiment with Meatball, Troup, Edwards and Carrington as ends and draft/sign (FA's) 4 linebackers and sit back and see who wants it and sticks. I hear the "But Dallas has smaller NT's", which is true, but they sucked and I am sick of sucking (TWSS, there).
I could also easily be talked into "Our personnel is better fit to run a 4-3" and go with that, looks like the top couple of defensive prospects are better suited for the 4-3 afterall. Use Meatball and Troup in the middle, Carrington as LDE, hopefully Bowers as RDE (sorry, Kelsay fans). Use Edwards all over the damn place and draft/sign 3 linebackers. Oh and screw the Tampa 2/bend but don't break BS 4-3, let's get after it boys and be men (well not me, I'm like a buck seventy, you know what I mean).