WiFi 802.11b where to find a board?

Hi guys, I need to add WiFi connectivity though 802.11b but I can't find a shop where to buy a shield for it, I was looking on asynclabs but all the items are out of stocks. Any hint? thx

I have some people in here (India) although can ship you -

http://9circuits.com/products/asynclabs/arduino-wishield-2-0/