To be honest.. Hair color is one of the last things I look at.. But if I had to pick, I'd go with redheads... They can be freaking hot...
In rebuttal:Aphex Demon said:Brunette.
Katy Perry
Megan Fox
Cheryl Cole
nuff' said.
You forgot Christina Hendricks.firemark said:Julianne Moore (Search: Boogie Nights or Chloe)
Amy Adams
Lily Cole
Although, I would do them all.