New iMac?

I keep looking at getting a new iMac. I a 24-inch Early 2009 iMac, it has done me well, and never let me down, but it is getting slow in its old age, and I can only use El Capitan, as my iMac cannot update to Sierra due to the requirements of the new OS. If I am honest, I am still happy with my current iMac, it does the job, just its 8 years old, and I am yearning for a new swanky machine. Last year I bought myself a new MacBook Pro along with a new iPhone 6S Plus, which in all truths cost a bloody fortune as I decided to go for the upper end of the specifications rather than an entry level machine.

Looking at the new iMac’s (2017) editions they are spec rich, and I would probably have the new one for 8 to 10 years, but the expense really does kill me, not in the fact of affording it, that’s not the problem, it is justifying the expense. As I say, my 2009 iMac is great, in fact, I am using it at the moment to write this whilst streaming Corey Taylors latest Beats 1 show (A series of bleeps) on Apple Music. M keeps taunting me with “So when are you going to stop pretending you have not already decided?”. But in all honesty, I have not decided to buy one, I would love one, and maybe last year, I may have gone mad if they new iMac was out and bought it then, but it wasn’t and I really struggled with the purchase of the iPhone at the same time, so maybe I may not have. All in all, I want one but the justification really is stopping me. I think then should I go for a Mini iMac, which is cool, but then I have to get a monitor for it, which is not a problem as I have seen some very sexy ones, but in the end, I wonder if I am sacrificing quality for the cost.

Question: Do I stick with old faithful?