> The Replacement is the Asus WL500g Premium
> 
> see http://www.melbourne.wireless.org.au/wiki/?WL500GP
> 
> They should be available for around $160 inc
> and work well on openwrt. 

At 3x the price, it's not as economical to buy a bunch... Oh well, time to
just sit and wait for the next opportunity. :)