Bluetooth access points:
http://www.axis.com/products/mobile_access/index.htm (seems to be the most popular, kinda pricey)
http://www.red-m.com/Products/1000ap/Default.asp
Misc Bluetooth products:
http://www.anycom.com/products/index.html
http://www.pdamart.com/bluetoothitems.html
USB Bluetooth adapter
http://www.bluetake.com/
Review:
http://www.overclockercafe.com/Reviews/Bluetake/