German site that has lots of tunes. Each track has explanation.
There's also games to play while you're downloading.
I just got some Stakka and Skynet and some "intelligent drumnbass" called the "Winter and Spring" EP. ....
"An experimental dive into atmospheric drill & bass idm. Winter and Spring was originally released on the net early 2004. The original album is no longer available because of the death of its host. So a re-release with ten carefully chosen re-mastered tracks was needed to make this spring complete. .."