NYS Parks posted their Empire Pass 3 year special offer, it's $130 instead of the $165. That works out to be $43.33 per year instead of the annual $65 per year.

This is their announcement:

Before you place your order today, please note that on Cyber Monday, December 1, 2014, New York State Parks will be offering a one-day special on the 3-Year Empire Passport. For that day only, online only orders of the 3-Year Empire Passport will be on sale for $130 -- a savings off the already-discounted regular price of $165. It's like buying two years and getting the third year free!