I am currently using a 24 inch mid 2007 iMac, but I have been thinking about upgrading it. I've pretty much wanted a new iMac for around 5 years, but somehow I talked myself out of it because I really didn't need a new one. Now I am thinking about it again, but I still don't know if I need a new one yet. It's not like a do anything intensive, I mainly just web-browse, but that may be because I have little room to do so. I can barely run Civ 5 on the lowest settings. I'm not going to be playing BF4 or CoD on my iMac because I have a PS4, but I wouldn't mind being able to run some bigger programs. Another reason why I have been thinking about getting a new iMac is because I feel like technology is way ahead of an iMac with 2.4GHz Intel Core 2 Duo and a 256mb graphics card. This iMac just made the cut for Yosemite, but I highly doubt it will be able to upgrade after that. So that's my perspective, I was wondering what you guys think I should do. I don't want to upgrade for the sake of upgrading, but if it is necessary then I will do it. I am very happy that after 7 years, this Mac is still running strong. I would like my next iMac, which I will inevitably get sooner or later, to last this long. If I buy a new iMac, do you think I should wait for the new ones to be released? I talked to a guy at the Apple store who said they'll likely have a chip to be able to watch 4k in, which intrigues me because have 4k will make the iMac last even longer without becoming obsolete. When do you guys think the new iMacs will be released? Thanks!