What I'd REALLY like to see, is an nvidia miner if you could come up with that. 
Have you been following the cudaminer/ccminer thread? Someone got cryptonight currency working in ccminer but at slow speeds. Right after that, Cbuchner posted that he got it working too but even faster... not sure how fast but it's exciting. As I understand, there could be something for XMR in ccminer soon.