I've been a few times and my fave spot was just off T4, right up in the highest seats under the overhang out of the sun. You get to see 4 corners and a bit of #5 too. When I was there in '10 it was general admission. Bring soft seating cushions or rent them there.
"Live your own life, for you will die your own death" Roman proverb.
"Touratech have nice mounting kits but they want a testicle and half a square yard of scrotum skin for them. They can f*** right off." Frey Bentos
"This is it. Pay attention. -Me.