This site usually gets it here in 2 weeks. Buy your switches, LEDs, etc. in bulk for DIY.:
http://www.tmart.com/50Pcs-PA66-6-x-6-x-7.5-mm-5V-12A-Door-Interlock-Switch-Black_p211478.html
http://www.tmart.com/50Pcs-PA66-6-x-6-x-7.5-mm-5V-12A-Door-Interlock-Switch-Black_p211478.html