My ten second impression is that everything we heard is good, but there are still things we didn't hear -- can Nintendo Network IDs be used on multiple consoles? What about users? Can this be done simultaneously, or just one at a time? How does the DRM apply to multiple consoles? Or will Nintendo be continuing the "manual transfer" process, where as long as you have two consoles, you can do a transfer process, but if your console is stolen or lost, no dice or you have to deal with Nintendo.
I'm not really impressed with "Nintendo Network can link to per-developer networks." One of the worst things about PS360 is allowing developers to make their own shitty networks. No one wants uPlay or Origin or Konami Metal Gear Online Clusterfuck deluxe. I know Nintendo needs to make friends with other devs/pubs and that's the #1 priority, but it's also important to keep standards as rigorous as possible and ball-bust publishers who try to pull bullshit.