We hardly expect you to know Dell's monitor lineup inside-out, so here's a quick primer: Dell already sells this thing called the S2240T, a 21.5-inch display with full HD resolution and support for 10-point multi-touch. Well, today Dell's expanding the family by adding a 23-inch version (the P2314T) and a 27-inch one (the P2714T). Like that current monitor we told you about, they both have 1,920 x 1,080 touchscr
