I have used these guys to buy lots of LED flashlights. Very good merchant.
Also bought some of their SD card readers.
On my last purchase I decided to buy one of their SIM card readers:
http://ledshoppe.com/Product/com/CA2008.htm
I have a SIM card management program somewhere on my PC [freeware].
If I find it, will post for you [since it is freeware].