Glitch/IDM

Ochre - Drink Malk (youtube)
Ochre - REM Sleep Research (youtube)
The Tuss - Rushup 1 Bank 12 (youtube)
Chris Clark - Diesel Raven (youtube)
Chris Clark - Proper Lofi (youtube)
Kettel - Any Waken Sly blonda (youtube)

Dubstep

Starkey - Miracles (youtube)
Skream - In For The Kill (Ravey Mix - orig. La Roux) (youtube) -- Dig that BASS!
Kromestar - Kalawanji (youtube)
Kode 9 & Spaceape - 9 Samurai (youtube)

Calm

Rena Jones - The Passing Storm (youtube)
Isan - Remegio (youtube)
Efterklang - Monopolist (youtube)
Ulrich Schnauss - Love Movement Remix (orig. Justin Robertson) (youtube)
Manual - Nova (youtube)
Secede - Foliage Pathway (youtube)
Kelpe - Petrified (youtube)
Bluetech - Oleander (phutureprimitive remix) (youtube)
Millenia Nova - Slow E Motion Sightseeing (youtube)
Twile - Sedna (Direct MP3 Link from sub-machine.net)
Kettel - Twinkle Twinkle (youtube)
Bola - Veronex Cypher (youtube)
Trentemoller - Miss You (youtube)
Bluetech + Shulman - Midnight Bloom (youtube)
Androcell - Purple Aura (youtube)
Gregor Samsa - What I Can Manage (last.fm) (can't find a youtube clip - can listen at iLike, as well)

Breakcore

Wisp - The Bard (youtube)
Wisp - Negions Fail (youtube)
FFF - The Feeling (youtube)
Frog Pocket - Dungeon Hills (youtube)

Electro

Last Step - Breakers Know (youtube)

Hip Hop

Gift of Gab - Stardust (youtube)
Akir - Louisiana Purchase (feat. Immortal Technique) (youtube)
Murs - God's Work (youtube)
Talib Kweli - Beautiful Struggle (youtube)
C-Rayz Walz - We Live (youtube)
M-1 (of Dead Prez) - Til We Get There (youtube)
Reef the Lost Cauze - The Sound of Philadelphia (youtube)

Post-Rock

Run_Return - Louis James Corrigan (vimeo (live performance))
Giants - Sleeping False Idol (youtube)
The American Dollar - Call (youtube)
The American Dollar - Anything You Synthesize (youtube)
The American Dollar - DEA (youtube)
Joy Wants Eternity - Of Dead Leaves and Waning Perfume (youtube)
If These Trees Could Talk - Malabar Front (youtube)
The Ascent of Everest - If I Could Move Mountains (I) Majesty and Awe (II) Collapse into Understanding (III)… (No Sound Link Yet ;_;)
And So I Watch You From Afar - I Capture Castles (youtube)
The Ascent of Everest - A Threnody for the Victims of November 2nd (vimeo) (sound quality isn't the best there, but it'll do for now)
Four Tet - Misnomer (http://www.youtube.com/watch?v=aajxIpu_cCs|youtube)
Akido - Neige (youtube)
Hope of the States - The Black Amnesias (google video)
A Whisper in the Noise - As We Were (lala.com)
God Is An Astronaut - Suicide By Star (youtube)
Laura - Non Serviam (last.fm or ilike.com)
Mooncake - Rain in the Ashtray (youtube I prefer the other version that I don't see on youtube -- it has violins)

Downtempo

Aim - Cold Water Music (youtube)
Bluetech - Prayers for Rain (J. Viewz remix) (youtube)
Kelpe - Overland but Underwater (youtube clip also has a second song) (youtube)
FC Kahuna - Hayling (youtube)
Trifonic - Parks on Fire (youtube)
Vaccine - Wishful Thinking (youtube)

Goa/Psy

X-Dream - The 1st (youtube)
Dino Psaras - Neverland (youtube)

Metal/Rock

High On Fire - Rumors of War (youtube)

Hipster sounding stuff

Hood - The Negatives (youtube)