This is very subjective. Top 3 based on what criteria? If it's top 3 as far as being accessible to large numbers of people, that would skew things quite a bit. If a resort is in the middle of nowhere and hours from anywhere, yet is awesome, would you still rank it #1?
You guys are so fucking backwards lol, Sugarbush is definitely within the top 5 for park, but the top 3 have to be the actual biggest and best, not just the most underground hyphy shredspot.
Park:
Mt Snow, VT
7 Springs, Somewhere in the South
Killington, VT
Pow (Not the most accurate, highly dependent on preference):