Amazon offers the Brother Wireless All-in-One Inkjet Printer, model no. MFC-J425W, which also scans, copies, and faxes, for $54.99 with free shipping. That's the lowest total price we could find by $5, and the best price we've seen for a Brother wireless AIO inkjet printer. It features up to 33 ppm black / 26 ppm color, a 1.9" color LCD, up to 6000x1200 dpi printing, 802.11n wireless, and USB connectivity.

Update: It's now listed as shipping within three to four weeks.