Welcome to the future Note II rooted clan. with that being said, rooting is a Piece of cake, use the Toolkit, make it fast and simple. As for Roms there are many, the one I have been on since day one is Whompasaurus and I have no issues, so I can't speak about other Roms as much, but there are many to choose from, I will post you the XDA link, so you can scout them out, cheers and good luck and we are here if you need anything, just HOLLA !!
The Rom I am on, and is still on MA 7, and has not done an update since April I believe, but I still like it, it is a basic Stock Rom with Bloat taken out and some added feature,
[ROM][Team WHOMP!]Whompasaurus Rom V4.2-Are we there yet?[AROMA][MA7]4/24/13
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The Rom section for you viewing,
http://forum.xda-developers.com/forumdisplay.php?f=1895&nocache=1