What a loss. Bill Collings helped to elevate the profile of the lutherie community. I don't think you can build a modern high-end acoustic guitar without acknowledging his influence, along with Bob Taylor and, to a lesser extent, Jean Larrivee and James Goodall. A giant has fallen.
I happen to have spent an afternoon at Gryphon Stringed Instruments, one of the Bay Area's purveyors of high-end acoustic instruments, and they have laid in a supply of the less-exorbitantly-priced Waterloo acoustics that Collings has been building lately. If you happen to have a couple thousand bucks aching to be spent (as opposed to 4500+ for a Collings-branded guitar) , you could do a lot worse. The Waterloos are very responsive instruments, which I imagine one should expect, but with a humble, 1930's-ish vibe as compared to the very modern, glossy look of the Collings line. Some are stenciled with cowboy scenery evocative of the old southwest, which is not to my taste, but they are fun guitars nevertheless.