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 -
Crazy Apple Rumors -
Mac Central -
Macintouch -
Mac NN -
MacSurfer -
Slashdot -
Versiontracker -

Music Related:

Ableton -
Antares -
Create Digital Music -
Digidesign -
Line 6 -
Logic -
Mac -
Manytone Music:
Mark of the Unicorn -
Native Instruments
Propellerhead -
Spectrasonics -
TC Electronic -