These are the websites that I read every day. If I had to only recommend two, they'd have to be MacSurfer and Mac Music. These two sites are excellent in researching all other websites and providing the best information when it comes to music and technology.
Computer Related:

Apple - http://www.apple.com
Crazy Apple Rumors -
http://www.crazyapplerumors.com
Mac Central -
http://www.macworld.com/news
Macintouch -
http://www.macintouch.com
Mac NN -
http://www.macnn.com
MacSurfer -
http://www.macsurfer.com
Slashdot -
http://slashdot.org
Versiontracker -
http://www.versiontracker.com

Music Related:

Ableton -
http://www.ableton.com
Antares -
http://www.antarestech.com
Create Digital Music -
http://createdigitalmusic.com
Digidesign -
http://www.digidesign.com
Line 6 -
http://www.line6.com
Logic -
http://www.apple.com/logic
Mac Music.org -
http://www.macmusic.org
Manytone Music:
http://www.manytone.com
Mark of the Unicorn - http://www.motu.com
Native Instruments
http://www.native-instruments.com
Propellerhead -
http://www.propellerheads.se
Spectrasonics -
http://www.spectrasonics.net
TC Electronic -
http://www.tcelectronic.com