Quick listens and comments:
Olafur was quite beautiful, but not something I'm listening to these days. I used to though. That's not meant to be a slight ("I now know better"), it's just a description of a change of interest, I suppose. (Not just that. I think lengthy exposure to that sort of stuff becomes boring.) (Uh, this is based on the YT posted above. The entire album will have to wait.)
Nero's Day at Disneyland sounds like an instrumental, IDM version of Mindless Self Indulgence. Fun, in short. Occasionally a lot of fun!
DJ Shadow I know from before. It's alright, but I'm not a big fan. (Having heard it lots many years ago I didn't even listen now, but I seem to remember one of the songs off it is excellent?)
Magical Light of Saba. Not my cup of tea. Boring.
Nosaj. Same as above, but a bit better.