@bargetrav: it doesn't matter if you can get away with it or not, it is bad form and possibly even against tos to espouse that type of behavior on this forum. If you want to talk about crap like that go to toms. if you want to OC your merchandise be prepared to accept the consequences.
the only time it is ok to rma a card/cpu/etc that you knowingly oc'd is if the warrantly explicitly ok's this (evga AR cards for example). some of the older board partners even ok'd mods/etc, but most of the dx11 cards from ALL companies are not allowing modding/voltage tweaks/etc to be covered under warranty.
@apoppin: damn you for getting free cards!!!!!!!!!!!!!! ok, I feel better now.
That's not how the real world works. Look around you, and name me one corporation who isn't out to fool you. If the tech industry wanted to prevent or discourage customer oc'ing their components, they can. They have many ways to do it. On a technical level, they can easily prevent this. On the retail level, they can put a big red warning label as well. But no. On the contrary, the industry itself play up to the notion of overclocking. They sell products with labels such as "superclocked" and "for the win" and charge you a premium for it. They take the consumers' own home brew hobby (over clocking) and decide to make an extra buck out of it. It works both way eh.
Remind me of the time when hacking Direct TV was the rage. Everyone was doing it. It always made a giggle when the moral cops would say something like "you shouldn't do this, it's illegal, it's dishonest",, yada yada. Eventually, the only thing that stopped the rage was when DTV changed the technology.
I'm not saying you or anyone in here is right or wrong because ethics and morality always depend on where you stand. But let me just say this, in this world, it is up to YOU to protect your interest.