Eslapion, I don't want to destroy your hopes, but the Elbox coldfire will never go faster then any 68060 accelerator for the Amiga. The outcome of the presentation was that the card ran unmodified / optimised software at the speed of an 68040 at about 33 MHz. What you thought was DivX playback was just a DVD player hooked up to the TV card in the demomachine.
Anyway I'm surprised that the Dragon (even as a prototype) even came into existence, something I alway heavyly doubted. I stand corrected at that one.