Update 2008-January-20
I have taken a renewed interest in hacking these routers, and will be taking another stab at rebuilding the firmware based on the latest source code available in the OpenWRT project's repositories.  I've given away most of my other routers to friends and family who either needed quick replacements for their dead Internet Routers, or needed something that operated in "Wireless Bridge Mode".

Thus, with all of my "Good" routers spoken for, I'm a whole lot more motivated to get some of these unused WRT55AG routers back into service.