My parents want a wireless network for their home. The question came up if my sister can receive a quality signal for her mobile home(about 100 yards away), from my parents wireless network. There are a few trees in between, but the router can be setup in a second floor room of my parents home......giving as much as a straight shot as possible. I was thinking about a WRT54GX4 router to start off with in my parents home. From there I plan on testing the connection from a laptop at different locations to figure out how far the signal will reach. If the signal does not reach the mobile home, I was planning on putting an extender/repeater somewhere in the middle of the two homes(in a business), so the signal could reach the mobile home with a quality signal. I originally was going to get a WRE54G, but it has alot of bad reviews on newegg. Then I heard I can buy a WAP54G and make it work as an extender/repeater. So, what would you recommend for an extender/repeater, and wireless card for my sister's computer? Or any other type of connection configuration.?