Apple today announced that its entire iMac line now features the new Intel Core 2 Duo processor in every model, delivering up to 50 percent faster performance than the previous iMac. A new 24-inch iMac with a brilliant 24-inch widescreen display joins the 17- and 20-inch models, and iMac prices now start at just $999. [...]

Digidesign has announced that in May 2006 it will release versions of Digidesign Pro Tools LE 7 and Pro Tools M-Powered 7 software that are compatible with the new Intel-based MacBook Pro and iMac computers. These new versions of Pro Tools software will enable customers to combine the improved processing power of Intel-based Mac computers [...]

Spectrasonics has announced support for its Stylus RMX – Realtime Groove Module on Apple Computer’s new Intel Macintosh platform. The new version of Stylus RMX supports all Mac OS X Universal Binary VST and Audio Unit hosts, including Logic Pro 7.2, Garageband 3, Ableton Live 5.2, and others.
Stylus RMX is a groove-based virtual instrument plug-in [...]

Macintosh Universal Binary applications are ones that run natively on both PowerPC and Intel-based Mac computers. These are sometimes referred to as Mactel versions, because they run and the Macintosh Intel-based machines.
Mactel Music Applications:

Airfoil
AudioExpress
AudioLeak -  an Leq (Long-Term Equivalent Level) analyzer for audio files.
CastAway - Wooden Brain Concepts
Crystal Synth
Boom Recorder
eJamming Station -  Real-time Internet-based music [...]

NAMM 2006 Winter Show Update: Steinberg Media Technologies announced its commitment to developing its audio software products such as Cubase and Nuendo for the latest generation of Intel-based Macintosh computers.
“Steinberg’s development activity for this exciting new platform is continuing apace,” says Steinberg’s Director of Engineering, Markus Stehlik. “The latest version of our VST plug-in standard [...]

NAMM 2006 Winter Show: Celemony Software announced support for the new Intel Core Duo processor from Apple.
With the Update to 1.5 at the end of January, Melodyne uno and essential will be compatible with the new Intel Macs, as will the multi-track Melodyne cre8 and studio with Version 3.1 in the spring.
The unique audio software [...]

At the NAMM 2006 Winter Show, held recently in Anaheim, California, Cycling ‘74 had its core apps, Max, MSP and Jitter, running on an Intel-based Macintosh OS X system.
We talked with Cycling’s Darwin Grosse about the new versions. He said that they were running on one of Apple’s Intel development boxes. He also noted that [...]

NAMM 2006 Winter Show: Ableton announced the imminent release of Live 5.2 and the release of Live 6 in Q3. Both releases leverage new processor technologies to provide Live users with significant gains in audio performance (such as the capacity to simultaneously run more tracks, virtual instruments, and effects).
Live 5.2 brings native support for Apple’s [...]

MacWorld Update: Apple today unveiled the new iMac featuring Mac OS X running on the new Intel Core Duo processor. According to Apple, the new iMac offers performance that is up to twice that of its predecessor.
The iMac now features dual-core processors, a built-in iSight video camera for video conferencing out-of-the-box, and the media experience [...]