Pure Flash pages CAN be really awesome to behold. One example of effective flash is:
http://www.2advanced.com/
I got a bit of "deja vu" when I saw this site by Unionville. Its executed in pretty much the same manner and design as the first:
http://www.uhsrobotics.com/
To make it simpler for the user, we're making a hi-res flash site, and a low-res non-flash site. Also, we're going to get the index page to detect your computer settings and auto-direct to the proper site. We're trying to make it easier for people without Flash capabilities, even though the only flash in our site is the side menu.