What is the best kind of cookware to use?

There is so many different celebrities out there promoting their line of cookware. I have bought some of Wolfgang Pucks items as well as Rachel Ray's. I am pleased so far. But, I have not yet bought a set of pots and pans.

Does anyone have any suggestions? They all look different and have different features. I'm looking for something of good value but I want it to last, so the quality is important too.