Mini DVI to VGA or Mini DVI to HDMI, Which is better?

hello;
so i received 2 new TV's, and both have a VGA input (with a computer audio input(3.5mm)), and both have an HDMI. I'm working with an iMac which was purchased from apple in late 2007.
so, my question is: which would be better? would one have a better video over another? what about re-useability with other displays? which TV's seem to have more of which kind of input?
Also, i plan on getting a macbook pro sometime in the summer of 2011, does anybody know what my options would be, if i could still get an adapter for both HDMI and VGA?
I really appreciate the help anyone has to offer.
have a great day;
your friend in Apple,
George Valentine.

Hello and Welcome to Apple Discussions. 
My experience is that just about every TV on the market today has both VGA and HDMI, the latter being significantly better quality. Projectors/PC displays tend to lean towards having VGA and DVI ports but some do have HDMI. The only reason I'd recommend VGA is wider compatibility if you're delivering presentations elsewhere or similar.
The Late 2007 iMac has a MiniDVI port which using Apple's adaptor can be adapted to VGA or DVI, or using a third party adaptor, MiniDVI to HDMI. HDMI in the context of TVs and set-top boxes carries audio and video but will not in this case. You'll need to carry the audio from the iMac separately.
http://tinyurl.com/MiniDVI-Amazon
The current MacBook Pros/iMacs (I make no assertions about future ones!) have Mini DisplayPorts that route both audio and video:
http://www.amazon.co.uk/Apple-DisplayPort-Adapter-cable-Neet®/dp/B002ERBFYM
regards
mrtotes

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