Well then it's the best screen in a top performing all in one seems perfect for you.It's an interesting debate, the issue being also that I am sure this time next year, there will be new iMacs but yet again there will be something new around the corner, it's about jumping at the best time.
I tend to keep my machines for a long time and intend to do with this one (hopefully it is reliable!), the possibility of upgrading the GPU via Thunderbolt is one that interests me, although having said that gaming is not really a priority at all and I have no desire of additional monitors right now. I just want something with good performance and that will last.
It's true that you're not likely to see a video card with a Thunderbolt port, but that's not the way it works. Already you can buy an external PCIe exclosure, put a high performance video card in it, and then attach that enclosure to a TB2 port on a Mac, and presumably on any other computer with TB2.If I was you I would forget this dream immediately. Do your own research if you want but if you can find one video card with a Thunderbolt port I will eat my hat.
The usual advice: if you need a new computer now, buy now, if you're just craving that "new computer" smell and want the latest bleeding edge tech, wait as long as you can bear.Is it worth waiting for Thunderbolt 3/USB C? Why? / Why not?
...and there's no actual products available now that do that anyway. The one 5k display that is currently available from Dell uses dual DisplayPort connections and that ought to run on the iMac 5k.At the moment thunderbolt 3/USB C are only any good if you are planning on running a second 5K screen or external dGPU, otherwise they'll make no difference to you whatsoever.
Actually, its really confusing: DisplayPort-over-USB-C supports DisplayPort 1.3 (which can do 5k over a single 4-lane connection), whereas Thunderbolt 3 only supports DisplayPort 1.2 (but can carry two lots of DP1.2 data over one thunderbolt cable). Both DP-over-USB-C and Thunderbolt "Legacy" mode work by physically sending DP signals over some or all of the wires in the USB-C/Thunderbolt 2 connector (that's what happens when you plug a non-TB display into an existing TB port), whereas Thunderbolt can also encode DP signals into a Thunderbolt stream, and have them extracted by a TB controller chip in the display (that's how Thunderbolt displays work). Now, since TB3 is going to incorporate USB-C, DisplayPort-over-USB-C will presumably replace Thunderbolt "legacy" mode - except if its being driven by the Intel TB controller chip then it won't presumably, support DP1.3 that way. However, to pull its 2xDP1.2-over-1-TB3-cable trick, it will have to use 'DP-over-Thunderbolt' mode, which means that the display will have to be a Thunderbolt display.Thunderbolt 3 will be Display port 1.3 compatable and will mean you can drive a 5K screen through one cable
I use Thunderbolt to allow an iMac 2013 to be a second monitor for my iMac 5K. The other thunderbolt port connects to an HP 24 inch monitor. I will probably replace the HP with another iMac. You can find good deals on craigslist.Thunderbolt is simply a "closed" technology used by Apple to maintain their computers inaccessible by other PCs, for instance using an iMac's screen. It is virtually useless. I say 'virtually' as, although I cannot find a single instance of anything worthwhile to use the two Thunderbolt ports for on my mid-2011 iMac, there are products on the market with the interface, albeit extravagantly overpriced and with hugely limited variety or options. In other words, forget it. It is, for me at least, simply some tag-word for the manufacturer to use in marketing propaganda, that is of no real use to 99.9% of consumers. Please prove me wrong if you can. Thanks.