WiFi Extender Review from David Pogue
This guy is an easy-to-read/understand tech guy with a review of wi-fi extending. http://pogue.blogs.nytimes.com/2013/03/07/wi-fi-for-every-room-in-the-apartment/?nl=technology&emc=edit_ct_20130307
Forum Discussion
Even better, here's one that really works for only $50: Bear Extender. This web page happens to cite all the technical details you need to evaluate it.
