Originally Posted by WMBP 
You're comparing depth of field for the two formats at the same focal length. But if you adjust the focal length so that your comparing effective field of view, you'll see that the depth of field for film or full-frame dslr is smaller. In other words, compare what you get with a Pentax K10D at 50mm with what you'd get on a 35mm film camera at 75mm camera.
Will
Thanks. I knew I was doing something stupid (I adjusted the focal length for APS-C not 35mm). It's better to stay away from discussions after 3 AM :]
falconeye: Seems to me all this discussion is already way off topic, so I didn't bother.