Numark NV worth it?

Hey everyone, iv been messing about with some dj softwares for about a year now and decided im going to get a controller. I have a budget of around $500 so originally i was thinking Pioneer DDJ SB but even at this stage in mixing i have already found some features that i want but it doesn't have. Now im thinkingTraktor Kontrol s2 but with the new Numark NV only a couple hundred more im kinda torn. I would greatly appreciate everyones input, maybe theres a controller that i havent considered. Thanks :D