I really want to buy a new 5850 or even 6950 graphics card and it would be far more affordable if I could reclaim my £60 I wasted yesterday on an OCZ 600w stealthextreme PSU I don't need. I bought it from a well known large chain of computer shops. The woman did say it can't be returned if opened. I did open it to test it for a few seconds only then packed it back up. The bubble wrap envelope around the unit is gone, there was no choice but to rip it off as they had stuck it down with sellotape, and the box was also originally shrinkwrapped. So my question is, do you think there's any good excuse I can use to get a refund?