To add my 2 cents:
Even from 100 to 5 mln is such a tremendous simplification, that I don’t think it would matter much if you started from 300… 
Why not try it out and post the results?
To add my 2 cents:
Even from 100 to 5 mln is such a tremendous simplification, that I don’t think it would matter much if you started from 300…
Why not try it out and post the results?