"During my visit to the US to attend the Bluetooth Americas 2003 I bought a SD wi-fi card for my iPAQ H3970 with Windows Mobile 2003. The frustration of drivers not ready for consumer's use and poor support made me return the card. I then changed my approach: instead of adding wi-fi to my handheld I decided to go for a new device with built-in wi-fi. But I didn't want to give up Bluetooth: it's so useful for ActiveSync, file transfer and mobile connectivity to GPRS networks that I can't imagine not having it on a PDA."

Read it here