Plating Density for colonies in E.coli Amplification?

[S. Findley]

I want to amplify a cDNA library on 150mm petri dishes.
What is a good number of cfu to aim for per plate?

Thanks
SDF
-- 
Seth D. Findley   
Department of Biochemistry
Health Sciences Building J579
University of Washington, Box 357350, Seattle, WA 98195