I agree with Double-J, but I'd switch Bernie & Matsui

1) Lofton (C)
2) Jeter (SS)
3) A-Rod (3rd)
4) Giambi (1st)
5) Sheffield (RF)
6) Williams (DH)
7) Matsui (LF)
8) Posada (C)
9) Wilson (2nd)

I'd switch Matsui & Bernie to add a little more power towards the bottom of the lineup.