The FCC just trumped Cupertino's plan to sneak out an updated AirPort Extreme wireless base station with the outing of an Apple 3x3 802.11n access point, model A1408. It's not clear what's changed over Apple's existing dual-band router but its arrival in the FCC database coincides nicely with a 9to5Mac rumor calling for the imminent launch of new AirPort Extreme at a lower price point. And hey, if you're lucky, it'll also arrive with support for the new three-stream standard for 450Mbps over the 5GHz band -- but that's just speculation on our part. We should also point out that the appeara