Can anyone tell me any specific issues where the superman robots appeared. Its just that i read something about them on another site today and it brought back a distant memory of reading some comics with them in as a kid.

Any help is really appreciated. Cheers.

A couple of links will help to answer your question:
http://en.wikipedia.org/wiki/Superman_robots
http://supermanica.info/wiki/index.php/Superman_Robots