An enchanting artifact dating back to when Nvidia was firmly a gaming-first company has resurfaced on social media. Its reappearance is giving many seasoned PC enthusiasts pangs of nostalgia. Redditor Inclusive_3Dprinting has shown off a very nicely preserved Dawn and Dusk demo PC (circa 2004), resplendent with its original digital fairy artwork. Accompanying it, but not currently installed, is the original brass I/O bracketed GeForce FX5950 Ultra graphics card with pixie green heatspreader that…