I wanted to let you know that I created new kernel images.It is now possible to run debian-mips on ASUS WL-500gD (Deluxe, 200MHz) and ASUS WL-500gP (Premium, 266 MHz).
Previously, the kernel worked properly only on WL-500gD. I also update the "base filesystem" with a fresh etch-snapshots. More info on http://wpkg.org/index.php/Running_Debian_on_ASUS_WL-500G_deluxe -- Tomasz Chmielewski