depends on how much you would like to spend. When researching grills almost 2 years ago I found that Weber GAS grills were one of the only in my price range that had the correct type of stainless steel. All the others had a cheaper Chinese stainless that rusts pretty quickly. I prefer gas because I'm a frequent griller and I save $10 a week not buying charcoal.
Stay away from familiar brands like viking, etc that don't traditionally make grills. Kitchen aid (I think that was the brand) made a version for Costco that was a disaster. They get paid to throw their name on a piece of junk.