Only reason is becuase I have no desire to see or hear Devin Townsend, and therefore, I'd only want to see 4 bands on Saturday. That makes Friday night the winner!
The bands I want to see the most are Angra and pain of Salvation...
But I've seen Angra 4 times already... So I gotta go with Friday
And I've seen Gamma ray before as well...
And off all the bands that are playing on Friday the only band I've seen before is Blind Guardian (twice)...