i think he was humbly mistaken for a v pro.
anyway, here's the link about v pro at least. both vpro & motec are good on the hands of capable tuner. however, you need to buy the mags to read all the result. I subscribed to turbo, DSport & Import tuners mags for additional reading
HKS V-PRO http://www.dragsport.com/issue/2007/0507_tech.shtml
you may want to find yourself about motec. I have mags about it, but seems having trouble finding the online version..
happy learning!!