I have (I think) three S1s, and three S3s. All of them have been running at stock, except for brief overclocking tinkering. PM me?
PM'd
I have a thread with the several kind of miners i sell;
https://bitcointalk.org/index.php?topic=1306352.msg13377310#msg13377310 i would not mind selling the lot but i'm not sure shipping S4's are a good idea, but i suppose its not impossible. The rest is easy to ship.