Newegg has the Lexmark Impact S305 All-in-One Inkjet Printer at a nice price.  This printer has built-in WiFi, can print up to 33ppm, 4800×1200 dpi and can copy/scan from the same machine.

The price for this WiFi printer is $99.99 – $30 instant savings + $0 S&H = $69.99 shipped!