I'm going to the second one, (which is next Friday, not Saturday btw) really looking forward to seeing Stefan Torto again, and I've recently given a chance to Sygnals' album and loved it. I haven't paid enough attention to Memphidos, so I hope this 'll give me a chance to appreciate his music. Hopefully I'll have enough stamina to see all three of them.
Edit: I forgot Cydelix. I like most of his tunes. Hope I can last, it looks like it's going to finish around 8:00 am - it's been ages, possibly nearly two decades since I stayed up all night, I can't even remember when it was.
Haris Fishmiself is god sent, it's him and occasionally Side Liner/Cosmicleaf that give a sense of a "scene" here. Haris would be a great person to interview: he is part of Ultimae, organises most psychedelic electronic events outside contemporary psytrance here, has DJed in festivals all over the world and was the editor of Freeze (and I think Lemon) magazine, so he's been in the scene since the early 90s probably. I'm sure he'll have a lot to talk about.