You could add Romelu Lukaku to that list, I think he's from Belgium only 17 already an international, looks a great player and he's built like a tank been linked with us before on the Official website.
We don't need an extra unexperienced striker, we already have N'gog and Pacheco for that
Defour will probably join the mancs
Hazard is quality but im not sure if he matches PL physical requirements
SIZE DOESNT MATTER ITS WHAT YOU DO WITH IT

. SWP, marc overmars and lennon just to name a few
those are wingers though who game mainly relies on pace. thats why SWP would be abad signing at the age of 29.
big centre forwards have to be strong, which n'gog and pacheco are not. look at chelsea, they struggled today without drogba cos they had no target man to play others in and hold the ball up to allow others to join the attack.
lukaku would be a fantastic long term investment who would be suited to the premier league. inexperience shouldn't be a factor. andy carroll is 22 and one of the best centre forwards in the league.