Many previous threads on ATMS on SS:
http://somersoft.com/forums/showthread.php?t=52805
http://somersoft.com/forums/showthread.php?t=56291
http://somersoft.com/forums/showthread.php?t=76028
http://somersoft.com/forums/showthread.php?t=80830
http://somersoft.com/forums/showthread.php?t=99959