I have been doing exactly same myself. And I think it works pretty well. Just to note that when a mouse and keyboard are plugged in you don't have to have the Macbook lid open, just close it, then when the Macbook goes to sleep move the mouse to wake it up.![]()
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I use my macbook with a 20in cinema display. It's great. You get the best of both worlds with that kind of setup.
I keep the lid closed apart from when the fan speeds up as it's quicker to cool with the lid open. There's no danger of it overheating with the lid closed as the macbook is designed to work with it closed.
Did they change the design slightly on the unibody?
On the original MacBook the outlet vent is curved in such a way that allows the hinge to fit in there when the screen is closed, pretty much completely blocking the outlet, which is designed to channel air out of the top of the MacBook when opened, it looked to me as if the unibody uses the same design, hence asking what the temps are like.
Did they change the design slightly on the unibody?
There is a gap at the back for the heat to vent out. All the macbooks and macbook pro's are designed for clamshell mode.
iBooks vented through the keyboard so didn't support operating with the lid shut.
No it vents out the back like all Intel MacBooks. See below.
... running it intensely in clam shell mode isn't something I'd be keen on, hence asking what the temps were like.