My take on Light vs. Jet is: Light seems to be full of people really happy to be at Light. Not necessarily having a good time, but happy knowing they've made it "in". Kind of reminds me of some of the clubs in NYC I went to, where everyone in the place acted like they were too good for everyone else. Good comedy if you're into it. Jet on the other hand, has a nice spectrum of folks... people having a real good time dancing, people on the prowl for other like-minded partiers, bored people looking bored nursing their drinks... and a lot of really hot women (sorry can't comment on the guys, not a good judge of 'em). Lots of people being themselves having as good a time as they can. If you're going for the dancing, get to Jet as early as possible. By 12 it will be difficult to dance on the main floor, by 1 forget it. I should state that I've only been to Light and Jet on their locals' nights... the weekends might have a totally different crowd. But I can say that I probably won't be going back to Light anytime soon, even with the no-wait/no cover deal locals get on Sundays.