Few good mixes
http://soundcloud.com/decibels/rub-a...cd-2010-11-160
(Rub a dub weekly mix, lots of big names)
http://construct.wickedbad.net/mixes...4_DopeLabs.mp3
(Big mix, Dubstep + D&B + Jungle + Drumstep)
http://construct.wickedbad.net/archives/1727
(HEAVY HEAVY beats)
http://www.vacayvitamins.com/dubstep...ix-dubstep-uk/
(Magnetic Man-->Skream, Benga and Artwork, HUGE influence on dubstep)
Two amazing blogs, they update regularly. If you want to explore the scene further, check these out regularly. Also, check the links on Rub a dub as it's all solid stuff.
http://www.rub-a-dub-dubbb.com/
http://construct.wickedbad.net/
http://www.vacayvitamins.com/ is also good, but they're a mixture and not just focused on Dubstep
http://www.myspace.com/djdatsik He's got some sick beats
Oh, I wouldn't really consider Chase and Status to be dubstep, but they're good regardless.