After hearing so much hype from friends when they visit the US, I finally had the chance to experience this chain for myself. Well I can say now I know what the hype is about. The burgers are good....very good. I think it all has to do with very fresh ingredients. Nothing about the burger technically is that different from other chains but the quality of the ingredients and the simple menu is what elevates it above other places. I like how the bun is not a cheap tasteless dry pre-packaged product but works well to round out the burger.
I did however find that the fries were only good. Nothing spectacular about them but not disgusting either, good simple fresh fries. The milkshake was very good however and when I go back, I'll probably get a 3x3 and no fries :)