DrCactus, check out
RockAuto Parts Catalog
They usually have some amazing deals. In fact, they have Bendix (not a brand I've heard of before) for sale for front rotors for just $25 each!
Just make sure you buy rotors with painted hats or zinc coated so they don't rust. Conversely, if you can find really cheap (but good quality) rotors that don't have painted hats, you can always use high temp gray paint and spray them yourself.