I'm looking into replacing my 2016 MB Pro with an iMac and I'm trying to make the best choices I can without blowing the budget out of control. Here are the two 27" 2017 configurations I'm looking at : 1. 3.8GHz i5, Radeon Pro 580 8Gb with 2TB Fusion drive ($2299) or 2. 3.5GHz i5, Radeon Pro 575 4Gb with 512Gb SSD (also $2299) I would love to have the 3.8GHz model with the 512Gb SSD but that pushes the price out of my comfort zone. For the most part to be honest I don't do much more than typical internet tom-foolery with it. I used to be an iOS developer but that is on the back burner for now. I don't edit video or photos either so I know the 27" iMac could easily be seen as overkill. What draws me to it is MacOS and that gorgeous screen. In general I want my experience to be responsive and free of the dreaded spinning beach ball. Obviously The SSD would help greatly with that, but given my basic use model I wonder if the 2TB Fusion drive would effectively give me that same level of responsiveness and I might be better spending the money on the beefier CPU and GPU. Confused..... Thanks for the input!