Apple updated its Time Capsule and Airport Extreme's with some new features today. It isn't yet clear if this is a hardware update or software only - we're looking into this. Guest Sharing and Simultaneous dual-band support. Update: Oh, and a biggie, Internet sharing your Airport hard drive.
From Apple:
Guest Sharing:
Now it’s easier than ever to allow guests to use your Internet connection without sharing your password or giving them access to the rest of your network. Simply enable the new guest networking feature us