Places to get PN532 Modules from

[johnyma22]

Elechouse - http://www.elechouse.com/elechouse/index.php?main_page=product_info&cPath=90_93&products_id=2242

Ebay UK - http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.Xpn532.TRS0&_nkw=pn532&_sacat=0

Ebay US - http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR11.TRC2.A0.H0.Xpn532.TRS1&_nkw=pn532&_sacat=0

Amazon also stock them, basically they are really easy to access :)

I recommend pairing it up with an Arduino Nano!