It depends what you're into! Joseph Kamaru, aka KMRU, is the current wunderkind of the ambient drone scene. He creates huge electronic drone soundscapes incorporating lots of field recordings and is, frankly, astonishing. I saw him play live at the Barbican in February having followed his meteoric rise within the genre over the last few years. So, if that might be your bag, I couldn't recommend him more highly.
Ana Roxanne is another very interesting artist, who would be exciting to see live. For me, if those artists are after midnight, sadly I can't see myself seeing them, as I'll be elsewhere dancing. But, in the unlikely event that there's nothing happening for me on the dance front, I'd be at those two sets for sure.
Ben