To quote a famous politician...Yes, we can! ...and here is how.
And here is the thread...
https://forums.macrumors.com/threads/429956/
Wait, wait... I'm confused. For those of you concerned about "registering a specific mobileme name" with the Time Capsule:
Can't you share a disk over the internet ALREADY? I mean PRIOR to the firmware update... I haven't personally tried it yet, going to "Disks" and checking "Share disks over WAN" would seem to be exactly what we are talking about... right?
-fate
And here is the thread...
https://forums.macrumors.com/threads/429956/