Adorama offers its VIP Members Apple AirPort Express 802.11n Wireless Base Station, model no. MC414LL/A, for $89.99. (Adorama VIP membership is free; click here to sign up.) This $20 mail-in rebate drops it to $69.99. With free shipping, that's the lowest total price we could find by $25, although last month we saw it for a buck less. 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. Rebate expires June 30.