frankbomarito - 8:20 pm on May 9, 2012 (gmt 0)

I use adsense as well as Tribal Fusion, Burstmedia, Valueclick and Casalemedia all of them have gone down since the first of the year.
These are CPMS (not rpms)
-----------Nov-11 Apr-12

burst ----- $0.63 $0.56
casale ---- $0.44 $0.33
adsense -- $0.70 $0.63
tribal ----- $0.82 $0.61
valueclick - $0.75 $0.62