Barbarism Begins at Home

Lot of great vintage (80's to current) Indie and Alternative with the occasional Hip-Hop and Electronic thrown in
http://lunchmatic.blogspot.com/

Speakershock

Nice selection of Electronic, Downtempo, IDM, Hip Hop, etc
http://speakershock.blogspot.com/

id Reverberations

Mainly posting psychedelic, pop, garage rock obscurities, hip-hop, experimental music, and foreign obscurities.
http://idreverberations.blogspot.com/

Filthy Drum Habits

Experimental Hip Hop, and more
http://filthydrumhabits.blogspot.com/

Hip Hop Longplay

Hip Hop, Trip Hop, and Downtempo
http://hiphoplongplay.blogspot.com/

Hq Hip Hop

Some rare Hip Hop singles, albums in FLAc. Old and new.
http://3-2-0.blogspot.com/

RealBlackMusic

Classy Hip Hop blog
http://realblackmusic.blogspot.com/

Miyomi's Music

Hip Hop, Japanese Hip Hop, and Electronic, + mixtapes
http://miyomimusic.blogspot.com/

Street Beat

Old and new school Hip Hop
http://fromthaold2thanew.blogspot.com/

Hot Hip Hop Albums

A lot of old school Hip-Hop to current. Huge.
http://hothiphopalbums.blogspot.com/

Olas Un Bekons

Wonderful Hip-Hop blog
http://olasunbekons.blogspot.com/

Urbanology

Hip Hop, World, Jazz, and more
http://urbanology.wordpress.com/

Sloppy Seconds

unreleased and soon to be released re-edits, remixes, and TIME STRETCHED classics!
http://kennyconga.blogspot.com/

Actual Dues Do Not Talk

Hip-Hop, Indie, Electronic
http://silentpee.blogspot.com/

Meet Oldschool Hip-Hoppers

Early Oldschool Hip-Hop & Hip-House Lovers
http://hip-and-house.blogspot.com/

Mediafire Mayhem

Indie, Electronic, and Hip-Hip, all on mediafire hosting
http://mediafiremayhem.blogspot.com/

SpeakerBoxxx

Current and Underground Hip-Hop
http://speakerb0x.blogspot.com/

Did Y'all Hear That?

Hip-Hop, Classic Rock, Reggae, Punk, Garage Rock, Prog. Nothing but great albums!
http://most-def.blogspot.com/

Ageing B-Boys Unite!

Lots of old skool Electro and Hip-Hop Downloads and Radio sets
http://repo136.blogspot.com/

D.E.F. Momentum

Great classic Hip-Hop and Electro
http://def-momentum.blogspot.com/