For the longest time, my photographer wife regarded digital cameras with suspicion. I'm sure that when I showed her my then-new camera's manual controls in 2002, she thought it was some sort of trap.
I've occasionally considered pointing out to her that she's taken more photos with my digital camera than with her 35mm Nikon SLR over the last few years, but since I prefer sleeping on the bed and not the front lawn, I keep quiet. What I might do instead is introduce her to the Nikon D80 10.2-megapixel digital SLR, which will become available in September.
My guess is that she'd appreciate the new image-processing engine and dedicated processing chip, which Nikon claims provide better color reproduction and lower power consumption. I'm not sure she'd be so keen on the in-camera editing features (red-eye correction: yes, image overlay: maybe), and I know she'd love the customizable menus. So long as she doesn't try to develop the SD flash card in a chemical bath, I think we're on safe ground.