I have three Macs in my household: a new 24" iMac and a new MacBook Pro-both Core duo 2 and an older iMac circa 2001. All are currently configured on a wireless network with the current generation Airport Extreme base station and an Airport Express that is set up via WDS to stream music and extend the range. I planning on purchasing the new Airport Extreme-of course, the new Macs will utilize the new 802.11n speed capabilities, but the older one is the one that's going to be the fly in the ointment as it's a 802.11b. If I hardwire the older iMac to the Airport base via ethernet, rather than set it up to connect wirelessly, will this still diminish the overall speed of my network? Or does it only affect it if it's wireless? Too, factoring in the airport express-will this also slow down the speed of the entire network? Is there a work around? Thanks for any and all help!