Originally Posted by MattP

Tons of pit tables and stools
Several tv's with live streaming results from all qualifiers and mains
Bathrooms that have more than one stall
Internet access at several points
A lounge area for those that want a quiet area to chat with other racers
DEDICATED PAID turn marshalls so racers can focus on racing and repairs
On site hobby shop that carries all brands and not just what the owner races
Heat and A/C of course
Nice ventilation system so your not choking on fumes and seeing a fog

I will probably think of more but that's good for starters....