BSS, It is a great lake to visit, I hope you make it. FLL's suggestion about the CH Inn is sound.
I am not sure what restaurant he is referring to but one of the Forum favorites (and mine)
http://http://magicfoodsrestaurantgroup.com/canoe/ is right next door, well actually 4 big houses down, and it won't set you back 150 for 2 unless you hit the reserve wine list!
NH Does require a Boater Safety Certificate
http://http://www.nh.gov/safety/divisions/ss/boatinged/ though many state's certificates are valid in NH.
Please be safe and we hope to see you out there!