You can take D-Link, Linksys, and many other home brand routers and install a Linux based firmware that will make the device much more robust from all the news articles I have read to support this. I have not tried it myself, but it might be cool (If you have one of these devices already) to give it a whirl.
http://www.linuxdevices.com/news/NS9515501295.html
http://www.linuxjournal.com/article/7322
http://openwrt.org/
I have been wanting to try this for a while.
