Today is your last chance to enter our iMac Giveaway, in which we’re giving one lucky reader the opportunity to win a 21.5” 1.4Ghz iMac. With its thin profile, precision edging and iconic design, the iMac is truly a feat of design excellence. This coupled with some seriously powerful guts makes the iMac one of the most sought after home computers on the market, and you can enter our giveaway now for a chance to win your very own. Simply…