I shoot with the 24mm f/1.4G on my F100's and it is absolutely incredible.

When photographing people, I use it for wedding receptions or environmental portraits. These were shot with the Kodak BW400CN @ ISO 200 and f/1.4:

But it's not just for people either, it also makes an INSANE landscape lens.
Watch out! it's digital: http://www.flickr.com/photos/mrmeeke...ream/lightbox/