Replacement Bluetooth Modem

Hi,

Does anyone know where to buy a similar bluetooth modem to the one in this tutorial:

http://www.arduino.cc/playground/Learning/Tutorial01

It's currently sold out on sparkfun.com

Thanks

http://www.sparkfun.com/commerce/product_info.php?products_id=582

also try out the Promi ESD02. people have reported that it works!