under a grand will get you new dart iron eagles and world product torquers, both iron, but you'll get some change back.
Edelbrock makes a decent alluminum head for a lil over a grand.
Don't overlook used. A couple of years ago, I picked up a set of Dart Iron Eagle 180's from a member here, bolt on and run for $650. I still use em, it cost me $150 to refresh them last year.
If you're in no hurry, a set of afr 195 elimminators are on my next year wish lost, the darts will be sold.