802.11n promises much higher bandwidth over wireless to satisfy the demands for high end multimedia applications, streaming video and the like. However, as with most standards body decisions, the manufacturers are left figuring out "how the heck do impliment that?". 802.11n seems to be no exception. Trying to span both the 2.4 and 5 Ghz spectrum in a consumer friendly manner seems to be giving some manufacturers headaches.
Via [computerworld.co.nz]