just upgraded from a quadro fx1800 to a k2200. the difference is night and day! : r/nvidia
NVIDIA QUADRO FX 1800 Graphics GPU Card with 768MB GDDR3 Memory | eBay
PNY Quadro FX 1800 VCQFX1800-PCIE-PB 768MB 192-bit GDDR3 PCI Express 2.0 x16 Workstation Video Card - Newegg.com
NVIDIA Quadro FX 1800 768 MB GDDR3 DVI 2xDP Graphics Card (Tested) | eBay
Dell nVIDIA QUADRO FX 1800,FX1800 768MB PCI-E Video Card P418M Compeve Compenet Dell nVIDIA QUADRO FX 1800,FX1800 768MB PCI-E Video Card P418M [P418M, FX1800, FX 1800] - $168.99 : Professional Multi Monitor