Reply to Stick with the Twitch or ditch?

I have had the Novation Twitch now for about 4 months and have loved using it. But I still haven't learned to beat match using it and I am feeling a bit limited with Serato Itch.

I was looking at the Traktor S4 but would this be a good 'upgrade' or should I just stick with the Twitch. I have also just bought some turntables but have no mixer and I cant use them with the Twitch as it has no inputs.

Any suggestions would be great? Is Traktor anygood?



P.S I have a budget of about