Idaho has some restriction for bow's; 60% let off, 40/50 pound pull? (can't remember exactly), and there is a arrow/broadhead grain minimum that you must follow.

As far as calls, Get yourself a good bugle and start practicing, hootchie momma is always a favorite, and a any mouth blown call is always good to have.

For the rut i think from about September 14-15 to the end of the month is always HOT.

I hunt up in the Panhandle so i can't give you any advice on where to go. But good luck!