Some folks amaze me with their skill.  Its a simple thing really but just works…..  have a look
http://www.johnbenson.net/How_to_Convert_a_SIM_to_a_MicroSIM_with_a_Meat_Cleaver/How_to_Convert_a_SIM_to_a_MicroSIM_with_a_Meat_Cleaver.html
More more – shall we say ingenious – have a look at one of my fave sites 🙂
http://thereifixedit.com/