If it ever happened, I would think making use of the various standard windows sounds and perhaps the "uh oh" AIM sound could be fun - in a sorta ironic way of course...
I can make any banner/logo/whatever you want. All I would need is an idea of what you wanted in the banner.
I can't collaborate on anything in the audio department because I sold the bulk of my equipment, but I can assist with web server space and image design.