I've been playing around with the QTKit in Cocoa. I looked at the sample code and bar the usual Quicktime weirdness and some threading nuances it all seemed pretty simple. The sample code ran just fine and thanks to the macam drivers I could use my PSX3 Eye with my Mac....
For a little side project (that I abandoned) I needed to find all installed web browsers in OS X. After a little poking about in the API docs I can up with this....