Wow, this thread hasn't been touched in a while.
Thought it worth noting that the new Mogwai soundtrack album for ZeroZeroZero is up on Bandcamp as pay what you want. This is for a limited period only.
I've not been able to give it a listen yet, but I'm going to assume it will be pretty good.
https://mogwai.bandcamp.com/album/zerozerozero