Best Buy offers the refurbished 2nd-generation Apple AirPort Express 802.11n Wireless Base Station
, model no. MC414LL/A, for $44.99
with free shipping
. That's $42 under the lowest total price we could find for a new unit, although we saw a refurb for $5 less in August. This device uses 802.11n to play iTunes over your wireless network to your home stereo, acts as a wireless router, and enables wireless USB printer sharing.
A 90-day Geek Squad warranty applies.