CONNECTIVITY
The connectivity options of the MP640 make it ideal for a household with a large number of computers. For example in our home we have 3 laptops and a desktop PC, all of which are connected wirelessly to the printer. This means we don't have to worry about where the printer is or moving laptops around to connect to it via a cable. Any document or photo can be printed from any of our computers. If you'd rather there is the option of connecting via an ethernet cable or USB, something which some people may find easier to use. The lack of bluetooth is a minor complaint as the wireless connection is reliable and fast, making a bluetooth option unnecessary.

FEATURES AND EASE OF USE
The printer is extremely easy to operate, with the scroll wheel making it easy to navigate through the many menus on the TFT screen, similarly to the Apple iPod controls. The printer can also be controlled on your computer. Paper is held in a front and rear tray, both capable of storing 150 sheets of paper. This makes it convenient to put photo paper in one and plain paper in the other, something which avoids a lot of annoying shuffling and moving of paper. A clever feature is the fact that the front output tray will open automatically for you, something which comes in handy.
Printing, scanning and photocopying are all fairly quick, and you won't be left waiting for something to finish. It is easy to to set a document printing, or photocopying, or scanning, and within seconds you'll have it finished. The lack of a touch screen is only a small problem, it would have been the icing on the cake.

AESTHETICS
The printer is fairly hefty, weighing in at around 9 kilos, without cartridges or paper. The footprint of the MP640 is around 1 foot by a foot and a half, making it necessary to clear quite a bit of space, especially if you want to whack out the fron and rear trays. The only redeeming feature as far as looks are concerned is the glossy finish, which happens to attract fingerprints rather well.

SUMMARY
The Canon MP640 is an essential part of a families technology set up. The connectivity makes it simple for every member of the family to print from their repspective computers, and the speed of printing means there won't be a queue for it either.
Definitely a recommended product.