Thanks Bob, Your links pointed me to the "killer" answer.
There is NO GeForce  mx4000
(even though it is listed lots of places...)
http://preview.tinyurl.com/yn9vk4  (Same as long link below.)
What I have (based on the specs) seems to be a GeForce4 MX4000
<http://en.wikipedia.org/wiki/Comparison_of_NVIDIA_Graphics_Processing_Units#GeForce_series>
That seems to make it a pretty good card, (but not for Vista...)

                                            Rick Glazier

From: "Bob Lendrim"
> Here is a very thorough discussion of all GeForce 4 related products.
> http://en.wikipedia.org/wiki/GeForce_4

Rick's original question: (One anyway...)
>>A couple questions:
>>Is a                GeForce    mx4000 (mine)
>>the same as a GeForce4  mx4000 (notice the extra 4)...

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