Yes, ez-pages are very easy to use, but the price of the easiness is that they have no clear individual identity in urls (aside from a page number). If you want a define page with its particular name to show in urls, you will need to change name references in about 7 different files scattered throughout your installation. The names appear in several different forms in different situations, as well.

Your best bet would be to download the About Us page mod from Free Addons and look at the files included. You can change the names in that and install it to get your custom page.