Apple iMac hands-on, with dual 30-inch displays! (video) One Thunderbolt port on your new MacBook Pro? Pah. The new 27-inch iMac has twice that many -- two. When we got ours out of the box we just had to do the natural thing: fire up as many pixels as possible. Two 30-inch Dell displays and a couple of dual-link DVI display adapters later and we have what you see above: a wide swath of LCD coverin