Hey Blake, you should have gotten that 3500 Champion generator from Tractor supply. It's made by Honda, purrs like a kitten and is only $350
I just bought 2 of them. Hopefully the 6-400 watt sodium lights I'm getting will draw less than 20 amps and I'll only need 1, but they're so small I'll probably go ahead and use both of them - just hook up each to half the load. That way if I run into generator trouble during a shoot, I'll have the back-up generator already online.
They have two 3500w generators listed. A $299 and $399 model.