I cant believe you guys have some spyware,.. and all of a sudden, you wanna reformat.
There are tons of ways/programs to remove spyware these days. Reformatting should be the last option.

http://www.pchelper.nl/forum/index.php?showforum=52

http://forums.majorgeeks.com/showthread.php?t=35407

http://pcpitstop.invisionzone.com/index.php?act=SF&f=9