David
I have a new Cisco RV042G and having the same problem!
I with my OLD RV082 Date of Manufacter - 06/12 I have 90 Meg down 10 Meg up.
With my new RV042G - Firmware v4.2.2.08 (Apr 26 2013 19:12:26) / PID VID : RV042G V01
I now receive down loads around 20 Meg.
Gord