Thanks for your answers. The bottom line is that everyone seems to think SLI is worth looking into, but no one who replied has actually tried it for themselves. Also, ATI has a similar technology called Crossfire. There, now I canÃ¢ÂÂt be accused of being an NVIDIA operative.
Another interesting thing I noticed was that most people who replied actually use PTC authorized components and systems!!! I happen to think that REAL men and women use unauthorized components and systemsÃ¢ÂÂ¦.whatever happened to the rebel in you, and all that talk about sticking it to the man???
Anyways, thanks for all the replies. The summary follows (in no particular order):