Being from Mass, I ride all over New England. My top three in order are Killington, Okemo, & Jay Peak. Killington gives you everything you're looking for. Great terrain, a fun park, and a beautiful resort. Okemo is number two simply because I love their park. Jay Peak is great off piste after taking into consideration that you're in New England. Sunday River & Sugarloaf are also both fantastic. Sunday River will give you a ton of terrain & the whole resort aspect you're looking for. They might be higher on my list if they were closer to me.
I've only ridden Whiteface once and it wasn't anything fantastic to me.