TigerDirect.com offers the Brother MFC-420CN All-in-One Network Inkjet Printer
, which also scans, copies, and faxes, for $59.99
plus about $14 for shipping. That's one of the cheapest network all-in-one printers we've seen. Features include a print resolution of 600x1200 dpi, 20 ppm black, 15 ppm color, 2400 dpi scanning, integrated flash card reader, 14.4Kbps fax, and both USB 2.0 and Ethernet connectivity. Of note, you can scan images and save them to a flash memory card.