Lately I have been getting a lot of issues finding a good DVD/ISO burner and had to look for the one that really worked. Check out ISO Recorder
http://isorecorder.alexfeinman.com/isorecorder.htm which could be a great arsenal in your toolkit.
For screen recording refer to http://www.techsmith.com/camtasia.asp
Camtasia Studio–Train. Present. Persuade. This is the power of screen recording. Delight audiences near or far with training, presentations, demos, and screencasts that get results and look fantastic. Camtasia Studio software is smart, powerful, and does the hard work for you. Easily record your screen, PowerPoint, Webcam video, and audio. Record in front of a live audience or from your desk. Edit for professional polish, enhance for emphasis. Share crystal-clear videos at any screen size on Web pages, blogs, CDs, or portable devices like the iPod. Make them wonder how you did it.