Dubmood is an old-timer in the demo and warez scene, going from the Atari scene to Razor 1911. I was vaguely aware of the name, but I was now given an album of his as a birthday present. The album was Machine (http://dubmood.bandcamp.com/album/machine-data030) and I've got to say, the mix of chiptunes and electronic music is just delightful.
His page: Dubmood (http://www.dataairlines.net/dubmood/) . He's also got lovely releases on CD in 5,25" floppy sleeves and even cassettes!
So I though I'd give a heads-up - really enjoying it :)
Here's one I particularly like: