Here's a great site:
Lumber Liquidators: Hardwood Floors for Less!
We have purchased from them in the past.
I happen to LOVE the prefinish floors. I like the wide planks, at least 3 inches or more if possible. I prefer the dark colors. But we don't wear shoes in our house and we had to get a special vaccum just for hardwood floors, as the dark colors show scratches, etc....
They have a 'hand scraped' line - and it is beautiful! We have that in my hubby's home office!