Cappuccinocasts: free screencasts on the Cappuccino framework
cappuccinocasts.com
cappuccinocasts.com
After that, something that is text-searchable is really preferable...
I started using Cappuccino on a project about a week ago now. I watched one Cappuccinocast, and then wished that some of the text-based Cappuccino tutorials were better developed. By now, I've found my way, though knowing Objective-C and Javascript really helped.
Unfortunately, talking into a microphone is easier than typing, and reading is harder than being dictated to.
Arguably much of the content from http://www.lynda.com and other video training providers could also be called screencasts.