An Android 4.0.3 Ice Cream Sandwich with build number I717UCLC5 has just been leak for AT&T Samsung Galaxy Note SGH-I717. This is the first (ICS 4 Beta) that has ever been in surface for the US version of Galaxy Note SGH-I717. Rogers,Telus and Bell Canada version might probably got an ICS twist also. If you want to upgrade now, this can be manually installed using Odin downloader since this is not officially released yet from Samsung. Just grab the I717UCLC5 ICS 4 stock ROM for Galaxy Note SGH-I717.
Note: This ROM is only tested for AT&T Galaxy Note SGH-I717 and not already tested or might work on Canada version SGH-I717R. Use and flash the stock ROM at your own risk.
Credits to designgears, you can check out the discussion thread here for more details.