Sounds good!
You mentioned the 'rule of thirds' (ROT!) earlier. The sooner you put that mindless behavior completely out of your head, the sooner you'll start making interesting photographs! With any format, you need to trust your 'eye' and make your own aesthetic judgments.

I try not to be a Gear Dweeb, but I soooo crave a 6x17! Have fun with the beast!