Whats the different in VGA Vs DVI ?

Hey.
Anybody who can tell me the different from VGA to DVI ?
I know DVI is digital and VGA is Analog. But what is the different in quality ?
Is there any big differents ?
I ask because my new 22" screen have a non working DVI port. So i can only
use the DVI port on my Macbook Pro with a DVI to VGA adaptor.
If anyone know if it shows that mutch.
Thanks

One thing to note about making a VGA connection to a digital display like an LCD monitor is that you have to go through a tuning procedure to get the image to look its best. You only have to do this once, or maybe check it monthly or something like that, so it's not too big a nuisance. But if you never do it or forget to do it, the picture quality difference between VGA and DVI can be more than it should be.

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