It's very tempting to have Tuilagi brought in as a bench option, as we know he can change games like that. Definitely not starting. I don't think he will be brought in, though.
I watched the Wasps Bath full match replay yesterday and was really impressed with Eastmond. To state the obvious perhaps that carrying the ball in two hands and the unpredictability facing defences with someone with such quick feet is something we don't have and really need. Sure we have some guys with good feet in the back 3 but there's no distributing midfield player at the moment who can keep defences guessing like that.
On another note. Haskell has been putting in some heroic shifts for Wasps recently. Hitting hard, winning turnovers, carrying well. The jury is out on whether he just looks better because Wasps are so pants right now, or whether he is indeed back to proper form.