I just bought my first iMac this month and I absolutely love it! It has a slight yellow tinge (that I had to "look" for to even see) but it's very hard to notice so it doesn't bother me much. Despite that, I've noticed that some people choose to buy a new computer every year just to always have the latest model. My question is, is that really necessary? And is it economical? I know that iMacs have a high resale value usually, but in the long run, is it more costly to purchase a new one every 4 or 5 years or so or buy every year by selling your old one? Is the resale value really that high where you would only need a couple hundred dollars extra to buy a new one? I've just been curious about this lately, and any opinions or advice are welcome!