just got this in the mail today trying to get a range of a block hope it will work out good.
it is a ralink 2070 and was only 9.78 free shipping and took 2 days to show up in also includes the antenna.
here is the link, http://www.tmart.com/80211N-150Mbps-Wireless-Network-Ad...
i was also thinking on adding it to a dish and seeing how that will work.
here are some pictures.
i will keep a update on how well it works.