VGA vs DVI/HDMI

So I just got a new monitor and it has options for HDIM and VGA input. I already have a VGA cable and would only need a MiniDVI -> VGA adapter to hook up my macbook that way. But I could also get the MiniDVI -> DVI and then get DVI -> HDMI to hook it up that way.
I hear DVI allows me to have better quality since the signal is purely digital whereas the VGA loses some quality. My question is which do you think I should do? Is it worth buying more cables to get the HDMI input? I'm just going to be using the monitor to work on excel sheets, word docs, and to watch movies.
Thanks!

I have a 24 inch full 1080P HD external monitor that I am using with my Macbook Pro. I"m not really a gamer, so I have a question.
1st. What is the difference if I use the HDMI connection or the DVI connection to my monitor? Is there a difference?
HDMI and DVI use the same digital video signals, so should give the same image quality.
2.nd - what about just using VGA
It may not be as sharp as DVI or HDMI since the signal may not be sampled at exactly the correct pixel positions, and it cannot handle sharp vertical edges as well as digital.
Would the normal user, who isn't a gamer notice the difference in any of the 3 options?
A gamer is less likely to notice the difference because of fast moving images.
Also- I am only using this set up to have a bigger monitor. I'm not doing the extended desktop.
Unless you have a 1920 x 1200 display on the MacBook, you won't be able to use the full resolution of the 1080p display in mirroring mode, since it is a pixel-to-pixel mirroring. You can get full resolution by running with the MacBook closed if you use exteernal keyboard and mouse.
<http://support.apple.com/kb/HT3131>
Note: some 1080p (1920x1080) don't work properly with computers at 1920x1080. They may have overscan, which will blur the picture and put the menu bar and dock off the screen, or they may tell the computer to run in 1080i mode, which makes thin horizontal lines flicker. Sometimes this can be fixed with software, such as switchResX
<http://www.madrau.com/html/SRX/About.html>
or DisplayConfigX
<http://www.3dexpress.de/>

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