We obviously need a keeper (and a back-up).
Defence is a tricky area. Hobbs and Chester are a brilliant partnership, but with Hobbs injury, you have to decide whether Cooper is good enough to take over for a few months. Even then, you probably need back-up - the problem comes if you spend money on a quality CB, and Hobbs returns from injury.
It would be nice if we got Heskey, that would be a great signing. Other than that, i'd like a good winger or two.
So, GK (x2), Defensive cover, Winger(s), ST