Findings:

• GeForce FX
• f(x) (user)
• GeForce 7800GT
• GeForce FX 5600
• GeForce 6800
• GeForce 4 MX
• GeForce 4
• GeForce
• Geforce AA Set
• GeForce 3
• GeForce2 MX
• GeForce 256
• Dub Fx
• Ivan FXS (user)
• The 520 Bridge
• Casio FX 115W
• Stunt Race FX
• fx (user)
• FXS
• Dos Fx (user)
• soft/fx and fog enhancing filter
• Boris FX
• f(x)
• FX
• Atari 5200 Game Programmers
• Atari 5200

If you Log in you could create a "GeForce FX 5200" node. If you don't already have an account, you can register here.