When you're making a website that's 100% flash and which is designed to fill the user's browser window, make sure you account for screenheights that aren't as tall as yours.
I've seen a few sites like this now where either text or navigation buttons become lost and inaccessible at the bottom of the screen.
There's no way for a user to scroll down unless you implement a method of doing it yourself.
example (and this is just the most recent one i've seen, not the first and probably not the last. If this is your site, i'm not picking on you, just using you as an example):
The Touch Agency Graphic Design Edinburgh +44 (0)131 220 4545
*edit* This is what i see:
