I've spent some time hacking at the Belkin F7D3302 wirelessless router. Its a nice Broadcom BCM4718 based router running at 480MHz, it has 64MB of ram and 8MB of flash, wireless-N, USB Host, and a 5 port ethernet switch.
F7D3302 - Power supply analysis, serial port pinout
Roomba Router Power Failure:
Roomba Iphone Interface Software: