Cyanogen Mod 9 is nearly complete and is working like a charm on the ATT i717 Galaxy Note. It is a great firmware for those who want pure Android experience without any touchwiz or any sort of addons baked. Heck, the developers have not even included an S-pen app. They suggest you to install Papyrus and Markers app from Marketplace if you want them.
To install Cyanogen Mod 9 ROM, use these instructions:

I received this question via email today from a Samsung Galaxy Note 10.1 (Galaxy Note 800) user:
Here are all the modems for the ATT Samsung Galaxy Note i717. If you are on ICS, you can use any of the following modems. To flash them, boot into CWM recovery and flash this zip.
Keep in mind that we still suggest charging with its charger as charging via USB is still very slow.