i know, i've been looking for the tvc's also, but i found one!!!! yay
the kiwi holden site (
www.holden.co.nz). on the homepage click on the Alloytec pic on the right and theres a link to the tvc where theyre in the dyno testing lab and theyre fanging it ass out!!! know the one? its only like 3 megs and its really good. the other video is the development vid on the Alloytec which is 15 megs.
hope this helps