According to what Gregg Williams has said quite a few times (that he would rather smaller DT's that come with athletic ability instead of the Jabba the Hutt model,) Fairely probably would have Williams drooling in anticipation.
That's my take on it as well. Unfortunately he probably has every scout in the NFL drooling as well and will be long gone if he continues to impress like he's done all season long. I was just curious as to what that one poster's definition of undersized for a DT is.