DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety of WLAN routers and embedded systems. The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platform used.
Linksys provided the technical information and code to implement support for their new WRT3200ACM in DD-WRT. We now have a firt firmware build available! The firmware images can then be obtained via the Router Database