text: 3-Point Shopping For a Computer (washingtonpost.com) washingtonpost.com - The last time I browsed the selection of desktops in a computer store, I came down with a case of instant deja vu. Each time I'd spot a thoughtful feature on one company's PC -- say, both USB and FireWire ports on the front or a full set of memory-card slots -- I would look at the machine to its right or left and spot the exact same item.