Asus RT-N10+ 802.11b/g/n Wireless-N Router (DD-WRT Support) for $9.99 shipped after code EMCJJHE58 and this $10 rebate.  Here is a screenshot before the $10 rebate for your reference.  This wireless-N router features 802.11b/g/n.  In addition, it supports the open-source DD-WRT router firmware as well as 4 SSIDs.  Most places have it for over $29.