I want to run a 25-50ft hdmi cable from my mac pro to my 1080p television in another room - along with an optical audio cable. Is this doable - or will that distance cause the video signal to look bad? Also I'll have one of the dvi outs going to my main monitor (24 inch) and the other going out to the television (dvi-hdmi conversion) - so I should be able to switch between the two as the "main monitor" for proper viewing correct? My TV does not have a dvi in. Just hdmi if you didn't pick that up from the last two paragraphs. Thanks.