I agree with Brandon at CTZ on the point that having five flavors of Vista is definitely going to confuse some consumers out there, but I seriously doubt it'll send the masses flocking to alternatives. The majority of the population is just going to choke it down just like every other MS OS upgrade through the years.

"I don't know if you've been anxious for Vista, but Amazon has given us a sneak peek at when we can expect to get our OS-lovin' hands on it."