I’ve just tweaked my metal theme for Camino to work with Aqua and Panther. It’s essentially the same, but the toolbar icons have been reworked to be brighter and not so heavy around the edges. Its also got a hint of graphite colour just to lift it.
Until the current speed problems with the metal theme and the searchbar are ironed out, I’m using a Panther OS theme from ResExcellence. I’m not normally a fan of these things, but it looks more professional than aqua pinstripes.