Of course, you already know that TechEd attendees are entitled to a free download of OneNote (login and scroll down).
You can also get the schedule of breakouts, etc., loaded into OneNote for happy searching and annotating bliss. You do not need a TabletPC in order to enjoy OneNote. Although it helps.
I hacked together an app to generate OneNote notebooks from various datafeeds. The link below gets the notebook generator with a default project file that draws the RSS of the TechEd schedule.
PONGen - Programmable OneNote Notebook Generator
v. 1.1.1979
Latest version of PONGen (build 1.0.1979.22423)
Requires OneNote SP1 and .Net framework 1.1
Or, if you just want a zip file of the generated notebooks (1.2 Meg) these were generated last Thursday.
More sample project files to come...