Dolby is working on getting sound from a simple PC to rival your hifi set, through two technologies.

Dolby Virtual Speaker technology (co-developed and owned by Lake Technology Ltd.) simulates a highly realistic 5.1-speaker surround sound listening environment from as few as two speakers. This is already available with the CyberLink and InterVideo DVD drives. Note that it only works for one listener sitting between 2 speakers.
Audigy 2 from Creative is thus the first card capable of reproducing the multi-channel sound of DVDs under Windows, in 24 bit / 192kHz, if the DVD allows. The card is labelled THX, and can use any DVD drive to decode the DVD-Audio.

Also Dolby Headphone technology is integrated into a variety of PC software applications, including CyberLink Power DVD, InterVide ...

Steve jobs keynote MacWorld San Francisco 2003

LinPlug announces the release of the CronoX 2. The CronoX 2 is a highly flexible, easy-to-use, VST sample synthesizer. The instrument is monotimbral, twenty-four note polyphonic and features a modular design that includes four types of audio Generator, a multi-mode filter, a modulation envelope, two syncable LFOs, an eight-by-eight Modulation Matrix and a stereo effects unit containing a Drive effect as well as six different effects processors.

I've posted a new Pluggo instrument at www.wildfrontear.co.uk .
Poly III is an emulation of the Korg Poly 800 Mk.II. I posted an update today which improves both the interface and the sound, and added automation to the 'joystick' and sync to the LFO.

PixelShox Studio is a revolutionary live-video creation tool built exclusively for MacOS X. Contrary to other available programs of this type, is it built 100% for MacOS X, uses the latest technologies like OpenGL, Cocoa and CoreAudio and is designed for both novice and professional users.