samsung has released the source code for galaxy note even before the handset is available in the market.
here is the link to download
https://opensource.samsung.com/rece...?method=reception_search&searchValue=GT-N7000
Also the release is very soon - November 1st in UK
http://www.digitalspy.com/tech/news/a346687/samsung-galaxy-note-release-brought-forward.html
It seems to be quad band for 3G as well so can be used in ATT network
here is the link to download
https://opensource.samsung.com/rece...?method=reception_search&searchValue=GT-N7000
Also the release is very soon - November 1st in UK
http://www.digitalspy.com/tech/news/a346687/samsung-galaxy-note-release-brought-forward.html
It seems to be quad band for 3G as well so can be used in ATT network