We migrated our production mythTV environment from ATI to NVIDIA.
Why, THE Business case:
We had serious issues with the latest ati driver on our new kernel in combination with latest mythTV. (Read more) We had more and more downtime due to testing and research.
The WAF (wife acceptance factor) was going down and we calculated that this potentially could have a serious impact in and around the productivity of our data center.
The nvidia 6200LE PCI-e is cheap. I found myself one with composite out for 20 euro's. Click here for a Google on the 6200LE.
Passively cooled card with the component out dongle
Took about 45 minutes in total to open the machine, disable the onboard ATI crap and to migrate from ATI drivers to NVIDIA drivers.