Looks like the market for them is really dead, perhaps someone should bump power7tech to see if they are stocking them :)

http://www.bhphotovideo.com/c/product/496666-REG/Macally_ENETMOUSE_eNetMouse_with_Integrated_NFC.html

http://www.power7tech.com/?page_id=525

http://www.taiwantrade.com.tw/EP/power7/products-detail/en_US/640329/ENet_RFID_Internet_Security_Mouse_Reader_with_Log-in2Go_and_Log-inEZ_Security_Software/