Just upgraded to an i7 3.2 model and even thought the Apple Store person assured me my monitor would support the new model, turns out it does not. So I need to purchase a monitor. Are there any under $500 that you recommend? I wasn’t planning this purchase but the new computer won’t work without a new monitor. I am not a graphic artist or a game player, but I do want a nice display to look at for pictures and videos. Thank You.