What kind of magnitude should I be getting? I got a  2 rigs: 1. I5 4670 @4.3ghz, amd 7990 (7970x2) and R9 270x.    
2. I7 920 @4ghz and a GTX 470 and a GTX 275

I'm only getting a magnitude of 9.

My RAC is:     
Primegrid RAC: 14400    
Einstein@home RAC: 8890    
Rosetta RAC: 500