TNA taped three weeks worth of Impact tonight (the final one hour episodes) and did indeed reveal a former world champion that's been added to the roster.
On the whole, I'm not thrilled with some of the stuff they'll be doing over the next three weeks but if the spoilers capture the flavor of it accurately, it doesn't seem quite as bad as it's been lately. At least there's a certain amount of sense to most of the developing angles & there are some different matchups developing.