Asus announced the WL-700gE router which features a built-in 160GB HDD:
The new router supports 802.11b and 802.11g Wi-Fi standards and comes with all necessary security features such as WPA2. What's unique about the new WL-700gE is its ability to connect external USB2.0 hard drives and enable RAID 1 mirroring for backup purposes. Besides that, the new router can also be programmed to download files using BitTorrent or and FTP client even without having a computer turned on.
The WL-700gE can also act as a file server and comes ready with a built in FTP server. Users are able to add, delete and manage accounts for remote access. Users wanting to stream music can do so using iTunes, as the unit can act as an iTunes server, so that MP3s are kept on the router and not copied back to the PC.
Read more at DailyTech. It will be priced at roughly $249.