I've always wondered how the weight of these higher end cards would affect the mobo PCIe slots over time.
Personally, I have not experienced any problems, even when running with SLI configurations.
I will never ever use a ribbon SLI bridge again, here's what I've been using for about a year now:
I'm a firm believer that these sturdy SLI bridges add support to the graphic cards and help distribute the weight.
Check with Amazon first regarding their return policy.
Have you had any experience with ASUS RMAs before?