After using some of the other ATC programs out there I stumbled across this. It defiantly improves the default, which in my opinion, "sounds better than any of the others". The first time I installed it I was able to create our VA "Worldwide Virtual Airlines" and now have the controllers correctly communicate with me when I am in a VA jet as "Worldwide XXX. Cool!!!
At this point this is not much more than a paint kit for AI. They do not include painted aircraft you have to go and find them on outside websites or paint them yourself. They are very few out there right now . My guess is that the one other review is done by someone affiliated with the team. Instructions on getting them installed after you have the paints is non existent. Don't waste your money!