Combining a scanner and printer is a neat trick, but combining high-resolution printing and scanning can be a crowd-pleaser, especially if you don’t have acres of desk space for multiple peripherals.

So, when I was at my neighbor's house helping her to set up her WiFi-based HP C6180 All-in-One device, it got me to thinking what a cheapskate I was. She purchased it at Staples (which is a stone's ...