I've seen a few of these threads already, but they're pretty old so I thought I'd start a new one. I have a brand new 27" iMac and am looking to get a secondary display. My reason to get a second display is that when I'm working on assignments I really like being able to have multiple (2) Pages documents and (~3) Safari windows open at once plus a Twitter client, and while playing games or browsing the Internet I like having either iTunes or Netflix open on a second screen. I've been looking on Kijiji for used cinema displays and the 24" runs about $600 and the 27" for about $800. I have plenty of desk space for an extra monitor, so really I'm trying to decide if a 27" cinema display is worthy he extra $200, what do you guys think?