If you're looking for a grinder to go along with the AeroPress, the Hario hand grinder[0] is a good choice.
[0] http://www.amazon.com/Hario-Coffee-Mill-Slim-Grinder/dp/B001...
[0] http://www.amazon.com/Hario-Coffee-Mill-Slim-Grinder/dp/B001...
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dap...