To keep in line with the graphic driver thread, here are links for two main manufacturers..

Realtek is usually an 'onboard' sound solution and can be found here:
Realtek

Creative are usually add-in cards although USB solutions are also manufactured:
Creative Worldwide Support > Sound Blaster#

If you have a sound solution not mentioned please do ask and forum members will try and help...

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Realtek has released Version 2.01 of its HD Audio drivers.

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Realtek has released Version 4.05 of its AC97 audio driver.

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Realtek have released a new version of it's HD Audio driver
It's now at version 2.02 and can be found here:
Realtek

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Creative has released Version 2.60.29 of the Console Launcher application for the X-Fi series of sound cards. This version fixes several issues in both XP and Vista.

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Creative has released the Beta 2.18.0001 driver for the majority of the SoundBlaster Audigy series under Windows XP and Vista. Confusingly titled with the same version number as the last official release, these drivers fix the missing Microphone option in the Surround Mixer which occurs as of the previous 2.18.0001 drivers.

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Update for Realtek HD audio 2.03:
Realtek

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Realtek have now released version 2.04 of the above driver. Use the link above for access.
This has now been updated to version 2.05

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Realtek has released Version 4.06 of its AC97 audio drivers.

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Realtek has released Version 2.07 of its HD Audio drivers. Note if you have problems with the link, click the 'High Definition Audio Codecs' link at the top of the page and select 'Software'.

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