Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.
Would you mind using a VGA to S video adapter? There seems to be one in the jungle for a few pounds. If so then you could get any card you want, although higher end cards will need a DVI to VGA adapter first before you can use the s video adapter.