ok I got the 5770 GFX card and the 550W coolermaster in my dell 530 today! but.. I'm wondering how can I make ABSOULOTLY sure he put in an Asus 5770.. I know its the 5700 series but it doesnt say what one. I just want to make absoulotly sure (thats me) that he didnt rip me off. thanks so much!