If you're looking for a quick way to extend your home network (for both wired and Wi-Fi clients) to that far corner of your home, the Actiontec Wireless Network Extender Plus Powerline Network Adapter 500 Kit might be just what you need.
The Skydog might give you both comfort and unease thanks to its powerful monitoring features and the potential privacy risk, respectively. One thing is for sure, it's not cheap. Here's CNET's full review of this exciting yet somewhat outdated home Wi-FI router.
The Fuel by LaCie, which is owned by Seagate, is basically the same as Seagate's Wireless Plus despite the radically different look. This means it's another great choice for mobile storage and entertainment. Here's CNET's full review.