Even though Broadcom, Atheros, and Qualcomm have all been sampling phone-ready draft 802.11n chipsets for some time now, you're still not seeing the tech swiftly overtake 802.11g in the mobile arena -- in fact, we dare you to find a single phone in your carrier's store that can do it. Odds are you can't, but HTC HD2 owners can win a few quid off their skeptical (non-Engadget-reading) friends by enabling support after the fact. Looks like draft-n support got buried in the company's WinMo monster
