Best place to order Extruder & Hot End?

I'm looking to get an extruder and hot end, but have no clue what the best place to buy from online would be. I've looked at google shopper, but don't get too many results, and I've check Amazon, but they either have bad reviews, or over 10 days shipping. What would you guys recommend, and from where?

I got some of my parts on Amazon, but that's probably not the best place. You might want to ask some of the RepRap fans out there where they get some of their parts.