Later this June, well-known lens manufacturer Carl Zeiss will begin offering a line of Compact Prime CP.2 lenses with the discerning HDSLR filmmaker in mind.
The new is no surprise, really, given the versatility and functionality that HDSLR rigs have shown over the past year in the film making space. As you may recall, the season finale of House was shot entirely on a Canon 5D Mark II. That's one example of mainstream acceptance, and there are many more.
Anyway, the Compact Prime CP.2 lenses are rumored to be compatible with Nikon F, Arri PL, and Canon EF mounts. There's also a lightweight Zoom LWZ.2 lens that will presumably offer similar mount compatibility: