There are two main styles described as "deep techno": 1) The more subdued Basic Channel-style dub techno. Examples: Maurizio, Fluxion, Deepchord. 2) Any soulful/melodic techno, mostly Detroit techno; the name is in analogy to deep house. Examples: Aril Brikha, Joris Voorn, Vince Watson. Read more on Last.fm.