ATI Catalyst 10.5 drivers are available for XP, Vista, Seven, and Linux.

ATI Catalyst 10.4 drivers are available for XP, Vista, Seven, and Linux.

Previously released as Beta drivers, the 197.13′s are now WHQL. Get them here.

ATI Catalyst 10.3 drivers available for XP, Vista, Seven, and Linux.

Nvidia GeForce/ION Driver Release 196.75 available for XP, Vista, & Seven.
Download page seems to be having issues. Hit the Nvidia forum post for download links.
FWIW – I tried them and although I notice no issues my error log contains the following:
Service Control Manager Error 7016 – “The NVIDIA Stereoscopic 3D Driver Service service has reported an invalid current state 0.”
I’m going back to the previous version.

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*edit 05MAR10
It seems there are issues with this driver. From the forum post:
“To users reporting fan speed issues with the latest 196.75 WHQL drivers from nvidia.com. Until we can verify and root cause this issue, we recommend that customers stay with, or return to 196.21 WHQL drivers. Release 196.75 drivers have been temporarily removed from our website.“

Available for XP, Vista, Windows 7, and Linux. Download

Announcement: Intel@ Solid-State Drive (SSD) Toolbox Is Available – December 21
“Intel has released the new version of the Intel® SSD Toolbox (version 1.2) which fixes the issue with the Intel® SSD Optimizer

Intel SSD Toolbox v1.2 Released