Sorry for the crappy URL. But I found one online for around $57 without even looking hard.
The $200 quote was probably because you were thinking of buying monster cables. Whenever you are given an oppourtunity to buy monster cables, don't.
Well, here is the link for the "cheap" extremely long DVI cable:
http://www.pccables.com/cgi-bin/orde...e=00696&rcode=