Hi, welcome to CHDK Wiki! Thanks for your edit to the Downloads page.
Hi Barry. There is an active group on the CHDK forum for Canon DSLR cameras. And this wiki has lots of info about those cameras, in part because I suppose there seems to be no other home for it.
However, the code for those cameras is not CHDK - its something custom and different.
The newbies who come here get confused enough looking for info about their Canon P&S cameras. So I'm hoping you will understand if we relegate references to the DSLR community to "minor" status on these pages.
Hope you are having fun with your hacks !