[ubuntu] i there a list of video cards under Hardware Drivers

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http://ubuntuforums.org – Hi, I have an old P4 pc,and I have been using an iNvidia card,and it died.Is there a list somewhere that shows all the video card drivers that are in the Ubuntu repositories.i.e,just the ones that Hardware Drivers in Ubuntu Lucid can search for and download and install? I may go to an ATI card that I will have to purchase,and from past experience, I know graphic driver can get tricky,and painful. I just dont want to buy a card,and then find out that the driver may not be available,or be hard to install.....thanks ps,I may buy a Radeon 9800 Pro,old, but fairly good. (Hardware)