I have used Gmail for a long time. I came over from the dark side of Hotmail. Not that Hotmail, especially with the new Outlook.com interface is bad, I just like Gmail better. I’ve played many times with Gmail skins, and from time to time swap to them, and back to the defaults. One thing that I have noticed is a new update that was released, and it’s a beautiful thing for people with touch screens and the like:
Full screen compose window!
Well, okay it’s not quite full screen. But it’s very, very good. You can enable it as the default by clicking on Compose, then clicking on the drop down in the lower right hand side of the window, and choosing it as the default. Like this: