The windows are probably auto-sized to where they appear to be maxed (or just enough to view the main functions of the application), but the sizing handles are still available unlike when a window truly is maximized...
With the IE maximizer I mentioned before if you set that to max things in Outlook Express or Windows Mail it would take a new email you were about to send if not one you were going to read and send it full screen where the alt-enter keys had to be used to close it up. The features in 7 however are for browsing online or looking at various /pictures/photos where you can run your fingers on the screen to see things resized there.
Aren't you glad you are already a Windows user? You don't have to put up with the limitations you would see with Apple/Mac there. :lol:
Yep... enough of the OS stuff here guys... after all this thread was started for new years greetings, not OS debates