Totally right.  Sales aren't the only factor.  It can matter for developers targeting users, though again not the only factor.<p>In particular, as a developer, I'm excited about the opportunity to have solid multitouch on a bigger screen.<p>The first example that comes to mind is the fact that numerous games and other apps aren't possible on the iPhone/touch because the screen isn't big enough, such as two-player games on the same screen.