Thanks for the realtimesoft link. CHeck out this sick setup:
http://www.realtimesoft.com/multimon/gallery_browse.asp?ID=259&date=desc&nummon=false&mon=desc
http://www.realtimesoft.com/multimon/gallery_browse.asp?ID=259&date=desc&nummon=false&mon=desc
. If I only needed multi-monitor support, the only cards I would consider would be the Matrox cards. I don't know what the TNT cards cost, but the G450's (32MB) are available from newegg.com for around $95 or so...that's pretty cheap.