http://www.amazon.com/NETGEAR-WNR854.../dp/B000FGI970
I have set up several of these excellent range and speed. Gigabit ports and A/G/N compatible. If you look around you should be able to find it for less than 100.00 even at 112.00 a good deal.
If you have any questions this is my area of occupation so I figure it's my turn to answer some questions..