I'm getting ready to order an Airport Extreme. I have one of the very old (original?) Airport base stations and would like to get something that is faster to work with our current Macs (g/n) as well as having the USB and Ethernet ports. But, if Apple is soon going to release an upgrade I would hold off until then, no rush on my part. Ideally I would like to have the audio jack for remote speakers and hope they'll be adding this to the Airport Extreme base station. I have an Airport Express but would rather not run two base stations in our tiny cottage.