"I thought I would discuss a few new capabilities of "OneNote 12" that I think many current users are dying to see appear. Certainly each of these has appeared many times in our newsgroups and in our suggestion lists in the OneNote community site. Remember that "OneNote 12" is a codename, and we use 12 because we share code with Office and Office is on version "12". Of course this is by no means an exhaustive list – there’s plenty more to come!
Tables are a no-brainer feature for OneNote 12. We support creating them the typical ways (like Word). You can also paste tables from the web, Word, Excel, etc into OneNote and they will remain tables (yay!). Our tables are not super-fancy though, so too much cell merging or fancy gradient backgrounds will get you in trouble – we don’t support that stuff.
Read the rest here
Also check out Owen Braun’s blog for more on OneNote 12