Originally posted by brianb:
If You can not buy a proper length SVGA cable and hook it to a proper SVGA input monitor your best bet may be this. (although it is spendy). Get a RGBHV to cat5e converter (wireless options do exisit). on the other end of the cat5e you convert back to RGBHV. From there you could convert down to RGB which is standard on most 27" and larger TV produced today.
While it wouldn't be perfect clarity that should give you very decent results.
BTW i work for a Video and Audio Instalation company and we have installed systems into building where we have run that Cat5e (with RGBHV) up to 500 feet.
Just a note...by spendy he means $500+ (as far as I've seen...if you've got something cheaper, let me know)...it's your only option for several hundred feet, but probably more than you want to spend to send the signal to the other side of the room (unless you have a mighty big room). At that point you might as well just buy another small inexpensive iMac and put it right beside your TV. You can get 50' VGA cable for ~200 dollars, which is still pricey but less expensive than a whole new machine and can reach across most rooms us regular humans might have.
By coax, I'm assuming you mean that you want to send it through a tuner of some sort (like a VCR), and you don't have some neato device that uses coax to extend trasmission length of RCA. I agree that coax should really be your last resort in that case.
Regardless of how you get the signal there, the usability really depends on the LCD TV you have and what it's native resolution is. You can simulate it's usability just by changing your resolution on the iMac. A standard definition TV is 640x480 (or so), so if that works for you then it's workable. They are right that things will not be as sharp, but you can still watch movies and such (just be prepared to adjust your fonts bigger). The higher the res of the TV the more like a computer monitor it becomes.
-Grover
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