Pretty amazing.
But seven years after, drivers for 3dfx cards still appear. First of all, it is nearly incredible that enthusiast community managed to support an operating system which was still in the works. Secondly - it is incredible that drivers that support both 32- and 64-bit Windows have just came out.
If you have a 3dfx card lying around and would like to remember the old days, plug it into the computer and install the drivers that are being designed and produced by 3dfx Italia community, known as the SFFT driver.
That driver isn't a simple re-do of drivers that came out over half a decade ago, but is, in fact, built on a new, unified architecture and is in its Alpha 4.5 release.