Very cool. It shows clearly how little manual work needs to be done for something like this. The only criticism I have is that, not knowing much about Catalyst, I got a bit lost at points. Maybe watching it again I could put the pieces together, but I wonder if some sort of running commentary would be helpful. It needn't be a voice overlay, necessarily. Even a few pithy comments in an open text window would do the job, I think. But overall, I really liked it!

Agreed, next time i'll try commenting the code.
Voice would most likely ruin the movie, since i'm non native english speaker. ;)

I used Snapz Pro, it's commercial, but not very expensive.

My personal favorite tool for making demo movies like this is VMWare, the latest version of VMWare Workstation has a recording option, which is nice if you are a heavy linux user like me, since you can fire up a windows install in vmware to make demos, then you don't have to spend all day explaining why the windows don't look the same for the user as it did in the demo. Of course VMWare is commercial as well, but I use it for dozens of other development things as well, it's a fantastic tool. If you check it out and decide to buy a copy, put in my referral code VMRC-JASKOH787, and you can get 5% off.

Some of the more interesting free tools to do this are vncrec, which is a modified vncviewer that adds a -record option, the cool thing about vncrec is that the format it records in is supported by transcode, so you can convert the video to any format that transcode supports. There is also vnc2swf, which lets you and vnc2swf connect to the same VNC server, you run applications and do the work over VNC, and vnc2swf records it all as a flash movie.

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We're not surrounded, we're in a target-rich environment!

What text editor is that?

It's TextMate. Quite nice if a little idiosyncratic in places.