I searched and searched (and searched) for more options in the 275's and even 285's, but only came up with a very few in the 16" rim size. There are Pirelli Scorpions, which get uniformly awful reviews, and then Goodyear Eagle GTs, and some BF Goodrich Radial T/As.
I've already driven on the Yokohamas that I'm eyeballing, and those were GREAT tires. I just wish I could find them a smidge larger!
Still, the 265 Yokohamas will fill out the wheel well a bit more, and the darker rims will probably work as an optical illusion to make the entire combo a little larger.
In any event: pretty psyched.