i got a couple for sale now 3 7970's

i ended up getting 6.2 mh for 600$ after i think that is a good deal be here tomorrow trying to get away from my gpu's

my old account is acckiller but for some reason i can not login  to it any more don't know why but i have a question i offered a guy 600$ for 6.2 mh gridseed and he sent me a offer back for 679$ if i buy it at 679$ is that a bad deal just wondering