I personally think the Clinique Acne Solutions line of products work great. If I were you, I would try their trial kit which is only $32.50 and gives you a sampling of 3 of their best acne-fighting products which you can find here: http://www.sephora.com/browse/product.jhtml?id=P18
The kit is a great way to try the products without spending so much money buying each individual product until you decide whether or not you like it. You need to give the products at least 6 to 8 weeks to see a real difference in your skin.
Hope this helps!