Thats correct mx3design... Not that you can just bail out of it, and certainly you would need your client's aproval to place a banner or notice on their sites in orther promote upgrade... there are tons of ways to convince your client to join this movement as well, to teach them, to educate them. (though you can not force anyone to learn, you can always tell them the difference)
800x600 is dead, its been dead since long time ago.... right now, designing for "normal" web, and for mobile its a whole different deal... there are other limitations in here already besides screen resolution, that make you follow two different paths anyways...
