to start readers off take a look at this page and keep in mind the dates of any reviews you read, remembering many things can be changed/improved with an updated firmware today
http://www.smallnetbuilder.com/compo...rt/Itemid,189/
so far on the face of it, it seems several 802.11n
Draft 2.0 routers based on
Atheros XSPAN silicon are looking very good at giving reasonable thoughput for the money.