Big stack in tourneys means the end for a smaller stack to play a marginal hand at you. In ring, you are a double up oppertunity for fortune hunters. If they lose, they reload. No one fears the large stack in ring, certainly not a 30%+ VP$P. Play tighter and be aggressive, ring is more about postflop and controlled aggresion, Later in tournies are more about stack sizes and preflop hands (push, fold, steal).

Play like the first hour of a tourney, position, pot odds, implied odds and play like that all the time.