I have been using Tidal for my live show (and more recently composition) for a few years and have played at some pretty big clubs in LDN, LA, etc. It's been a revelation and I will not be going back to DJing or 'controllers' any time soon.
If anyone is in London I will be giving a talk about using Tidal soon at this free event: http://www.musichackspace.org/events/music-hackspace-present...