Try here:
Computer Cables: USB Cables, DVI Cables, FIREWIRE Cables, VGA Cables, SVIDEO Cables. Camera Cables
I got a new cable for my istDS for under $10 shipped. They shipped very fast too!. Their simplistic website had me concerned about the seriousness of their business but I had no issues.
I never use a card reader anymore because I have had too many cards (smartmedia type) ruined by windows trying to write something to them while they were active on the machine. On my old Olys that would make the card unusable and unformattable by the camera.