Now thats an interesting thing, which I found accidentally today.

As we all know "Dialog boxes" don't contain Maximize, Minimize buttons. They only hv "Close" button. And thats why we can't maximize them. If we right-click on the titlebar of a dialog box, we get only 2 options in context menu:

Move
Close

But for my surprise, today when I opened "Browse" dialog box in RUN, I found that it can be maximized even its a dialog box. If u'll double-click on its titlebar, it'll be maximized. (But not fully maximized, the border will be still visible). And also u'll get an option "Maximize" in context menu of titlebar.

So its an interesting thing, which exists in Vista. I think since Browse dialog box looks similar to Windows Explorer and has same properties, thats why it can be maximized irrespective of other dialog boxes.

PS: It happens for all Browse/Save/Open dialog boxes in all windows applications, like Notepad, etc.

I m very late on this thread

but awsome collection of  Vista Facts

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2 Goof-ups in Windows Classic Theme of Vista:

1. Change the theme of your Windows Vista to "Windows Classic".
2. Open My Computer and look carefully at the "Back" and "Forward" buttons in Toolbar!



3. Now hover ur mouse to "Little Down Arrow" just after the "Forward" button.



What u see?

A. First thing is that the Back & Forward button are a little bit far from background image. They should be placed at 1 or 2 pixels less from left.

B. When we hover the mouse at "Little Down Arrow", the background image is mis-placed from its actual position and a little curve is displayed just before the addressbar.

These are very small issues and not very noticeable.

PS: Try it urself and u can understand what I'm talking about or just save the images at ur computer and look at them one by one.