Just some minutes ago I had a talk at the FrOSCon06 in the PHP Room about "SVG and AJAX". I was really suprised what large amout of visitors were interested in this. I really enjoyed the talk, because the attendees were quite active during the presentation, asking questions and showing their interest. I think I answered all the questions for the participants satisfaction. If you have still questions left, which could not be answered because of the short time, just drop me a line at firstname.lastname@example.org. Some people asked me to upload the slides and the example application I showed.
You can get the complete package here