I have tried a lot of foundations because I have uneven skin and use foundation a lot. The absolute BEST foundation I have ever used is Clarins. It was $40 but if you want a really really good foundation I think it's worth it.
I love Maybelline Dream Matte Mousse and I think that one is either a love it or hate it product. I love it because it makes my complexion look very smooth and evens out my freckles which it important to me.