With so many ISPs having bandwidth caps (and Comcast, the US's largest ISP, instituting a cap on all accounts starting October 1st) there is a strong need for incorporating a bandwidth report in the routers firmware. It would be ideal to have monthly bandwidth reports visible (upstream and downstream and total sum) in the firmware interface, and also an option to email monthly reports (or maybe even weekly updates).
Comcast's response to its customer's concerns is to suggest users install bandwidth monitoring software on thier computer(s), but this is not viable. Their suggested method will not take into account guest users bandwidth; will require it to be installed on every computer connected to your router (and if you're like me and hoping in and out of different OS's on the same computer than each OS will require a monitor), and most all monitoring software cannot distinguish between local network traffic and internet traffic.
D-Link, please add bandwidth monitoring to the popular DIR-655 router as soon as possible. Even better, get it out before the Comcast bandwidth cap takes affect on October 1st.
Thank you, D-Link, for your continuous improvement of existing products!