I got this list from Nvidia website and it shows device ID's for their graphics cards. It may not be complete but it has quite a few devices..It dates from June 2008. I hope it helps someone out there that doesn't know how to check their computer for this information.

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AMD Athlon X2 64 3800 || Asus M2NPV-VM || 1.5 GB 667 MHz DDR2 || 40 GB WDC WD400JB || Samsung CD/DVDW SH-S182D || Asus GeForce 7200 GS 256MB -- Zephyroth 10.5.2 Rev 2 Updated to OS X 10.5.5