I've just installed it on my laptop and I am well impressed.
It's much faster than 12.04.
I upgraded to 12.10 twice and both times were a catastrophe; I had problems with just about everything. I used LMDE until I had an ISO of Ubuntu 13.04. Everything looked good from the live boot, so I took the plunge and installed.
Considering this release is so new, it's looking very good.
That video looks more like catch-up then new features. Window snap has been around ages and are they really showing off two toggle boxes for some sidebar buttons?
I just installed 12.10 yesterday :(
No real reason, just had the iso here
I used 12.10 and found performance poor. Installed 12.04 and it was better (but the KDE variant had crashes because of Jockey before I ran software update!).
13.04...is it more then just UI updates? I'm not awfully excited at a lens tie-in to online stores or being able to read legal notices in an about dialogue!
I don't like the Amazon lens thing, I switch this off from the Privacy toggle switch. I realise Ubuntu is heavily funded by Canonical, but I think this is the wrong approach to an income stream.
My favourite distos, in order:
1. Ubuntu - Unity simply works for me, I like it
2. LMDE - slick Cinnamon interface on Debian testing.
3. Sabayon - Brilliant distro with pre-compiled Gentoo packages
4. SolusOS - very slick disto based on Debian stable (6/Squeeze) but with non-free binaries and codecs so it works out of the box. (Debian Stable with wireless - hooray!). The maintainers have upgraded a few packages, including Firefox, so it's not as stale as Debian Stable. If you are setting up an install-and-forget system for somebody, this is worth a look, and has a very nice, traditional interface.
Gaming support any better? That's the killer for me. But with SimCity and BF3 out of the picture and no real games to play I am not currently OS bound by an awful lot.