I would like some input from big boys on what hardtail to go with. I would ride mostly on road with some trail. 6'2" 315
Check out the Kona Hoss or Hoss Deluxe. It will be overkill for the road, but it's designed with larger mountain bikers in mind, and anything less off road would be asking for trouble.
Here's Kona's web site:
'If Wal-Mart sold parachutes, who would jump?' Frank Havnoonian (quoting his father) Drexel Hill Cyclery