We still cant have nfs support because we cant compile uclibc with floating point support. I will try to find a solution for this.
Have u never tried openwrt on this router? I use it, it's quite good, lately it has support for wireless (wep only ATM).
I have written this page on the openwrt wiki for the configuration:
http://wiki.openwrt.org/OpenWrtDocs/Har ... ys/WAG354GIf u need a compiled firmware I can give u the version I've used.