Solutions for the Left (and Single) Handed Gamer?

1eyedhive asks: "After seeing some interest in the Programming for the Single-Handed article a few weeks back, I became interested in applying some of these solutions to gaming. There are very few ambidextrous (let alone left-handed) apparatuses that provide the functionality required for decent FPS/RTS gaming. Any ideas on a solution, or at least a helpful fix that won't break the bank? A little background: I have hemiparisis (partial use of my right arm/hand/leg/foot), as such, I depend almost 100% on my left hand to do everything, from programming to gaming, I have enough use of my right hand to operate 2 arrow keys at a time, but the rest must fall on my left hand or feet (including the mouse)."