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I upgraded to 4.0ghz and 295 because with the 1tb SSD I was already spending a lot of money. May as well spend a little extra to make sure I have a powerful machine.
 
Back to the original spirit of this thread: my philosophy on buying computers is to buy the best that I can afford, then use it for the longest usable time. For example, my current computer is a 2009 MBP that was maxxed spec for its time. Obviously, its starting to get unusable for some of my activities, which is why I'm upgrading, but still, its lasted over 5 years. Also, I'll give it to my wife who just needs a simple web browser, hence it is likely to be able to last a total of 7+ years. Another example: my mom is still using a white 2006 iMac. So longevity is my answer for upgrading everything except RAM (which I can upgrade later). Over the long-haul, an extra few hundred dollars is not that much for me.
 
Back to the original spirit of this thread: my philosophy on buying computers is to buy the best that I can afford, then use it for the longest usable time. For example, my current computer is a 2009 MBP that was maxxed spec for its time. Obviously, its starting to get unusable for some of my activities, which is why I'm upgrading, but still, its lasted over 5 years. Also, I'll give it to my wife who just needs a simple web browser, hence it is likely to be able to last a total of 7+ years. Another example: my mom is still using a white 2006 iMac. So longevity is my answer for upgrading everything except RAM (which I can upgrade later). Over the long-haul, an extra few hundred dollars is not that much for me.

My idea for my 5k iMac is similar. I don't play games or care about having the fastest machine all the time. I just want to buy something now and then forget about updating for the next 5 or 6 years.

Ordered with both upgrades just didn't go with the SSD option. What is the return policy just in case I change my mind once I get the iMac and rather get the SSD. I use the iMac mainly for photo and video so I wanted more storage.

in Canada it's 14 days and I'm assuming it's the same in the US.
 
Ordered with both upgrades just didn't go with the SSD option. What is the return policy just in case I change my mind once I get the iMac and rather get the SSD. I use the iMac mainly for photo and video so I wanted more storage.

Same here. I went with the 3TB fusion even though most kept telling me go ssd. I feel I get the best of both worlds with the storage I need and a little ssd.
By the time I need to get a new machine, hopefully ssd storage will be cheaper. And with AppleCare I'm good to go for the next three years anyway.
I'm happy with my final decision although I'll admit I did struggle with it.
 
Hey, my Retina iMac is shipping from China. WTF!? My current iMac was also a CTO order and shipped from Calif. Whatever happened to "Assembled in the U.S."???

As for the GPU, I went with the M290x. I have the GTX 775M and 2GB GDDR5 VRAM, but it's almost never in use much. Same goes for my i5. Although there is the coolness factor of getting the i7-4790K. I wonder if you can truly overlock it, because it is an unlocked CPU! Probably not under OS X, though.

One thing about the two GPUs: The M290x has a TDP of 100W and the M295x has a whopping 250W TDP.
 
Caveat: Haven't ordered yet, waiting for my end-of-year bonus.

That said, it's two-fold for me:

CPU: I use virtual machines fairly often. HyperThreading really helps with virtual machines - because it enables the CPU to pawn off work between many threads more efficiently. I can "dedicate" 2 CPUs to each of 2 virtual machines, and only take a slight performance hit in the host OS X.

GPU: This display is a monster, with an insane number of pixels. I want to future-proof as much as possible by having the fastest GPU and most video RAM I can get.


I'm just a 'standard home user' for the most part. I do photo and video editing, but only in iPhoto and iMovie. I play games, but not "hardcore" - the newest game I play is Portal 2. (My current gaming machine is a quad-core i5 PC with a Radeon 5770 that I play on a 1080 TV (it doubles as my HTPC.) Nearly all the games I play are available on OS X, so being able to play them on my primary PC would be good.)
 
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