I think this is an awesome skin. Incredible. Really, the best one I've seen yet in terms of completeness of icon set, design factor, etc. Personally I prefer the silver version to this one, but that's just a matter of taste. However I was thinking - you've done all the basic work and so far as I can tell the change from silver to gold is one of just changing colour saturation levels, is that correct?
If so, perhaps you'd consider putting together some sets with other colours - copper came to mind, but metallic deep purple or emerald green or royal blue would be very beautiful as well.
Just a thought or two. Above all that, though, thanks for a wonderful addition to my TF3D setup!