Lexmark is giving CASHBACK on selected models:

• Lexmark Z1420, X3550 : $30 Cash Back
• Lexmark X5450, X5470 : $40 Cash Back
• Lexmark X4530, X4550 : $50 Cash Back

I’ve just bought today the Lexmark X4550 that has the built-in wireless capability for $199 before cashback. Checking out staticice will give cheapest price of $125 including cashback from cworld.com.au

I think it’s the cheapest wireless multifunction printer around at the moment! :)