The point with a player like Sturridge is of course that he can play both on the flank and through the middle to a level that is, at least to me, good enough for Arsenal.
I am 100 per cent convinced that he would be a better option through the middle than anyone we have bar RVP, and IMO he isn´t worse than Walcott, Gervinho or AOC on the wing. Buying him gets you a versatile player who can truly play all across our forward line.