I'm looking to buy a Mac Pro in the future (6-12 months) and I'm also trying to decide which size monitor to get with it. I'm leaning towards the 30 inch that can produce 2560 x 1600, but I'm not sure. The reason so is, I read a post/thread earlier where someone had switched from either a 20 or 23 inch to the 30 inch, and all of a sudden, the amount of time it took to render the same footage increased significantly. I'm by no means a Mac expert, or computer/editing expert for that matter. I barely ever use Macs or do editing (more so my partner's strength). However, I was just wondering if someone can explain the relationship, if any between monitor size and the amount of time it takes to render clips.