I have a Holley 390 that I am selling for 100 obo. It needs to be rebuilt but, as mentioned, is an easy job.
http://forums.hybridz.org/showthread.php?t=148701
Gratuitous self-promotion I know:D
I'm running the same Holley 390 on my L24 w/E88 mildly ported head and I love the simplicity of the setup.