I use Asus WL 500GP with Oleg's firmware http://oleg.wl500g.info/, http://code.google.com/p/wl500g/ Learning how to cross compile my own programs for it using http://www.nslu2-linux.org/ was a worthy experience. It's amazingly slow producing the cross compiling environment. It's tricky. I experienced the effect of http://xkcd.com/456/