Rattlesnake has a great point about the deduction. I've lived in NH (also a UNH grad) and currently live in Maine where you get bent over and stuffed with a splintered log.
Sales tax - not deductible
Income tax
Tolls - if you live or work in Southern Maine and pay tolls, you know what I'm talking about. Also not deductible. My family pays over $600 in tolls per year!!
Transfer tax - yep, Maine has that too
If you doubled my property taxes (which are already high in Maine) and took away the sales and income tax, I'd be waaaay further ahead.
I hope NH never falls victim to the income tax or sales tax.