Also lining up a big purchase: an iMac. No need to tell me how it's a bad choice, and a PC makes more sense, blah blah blah - the Apple choice just makes more sense for work and home. What is the issue, though, is I'm unsure if I should stick with the regular resolution 21.5" model ($1800, 2.9GHz quad-core Intel Core i5, 8GB memory, 1TB hard drive, NVIDIA GeForce GT 750M with 1GB video memory), or wait a bit longer and go for the 27" Retina 5K ($2400, 3.3GHz quad-core Intel Core i5, 8GB memory, 1TB hard drive, AMD Radeon R9 M290 with 2GB video memory). It's a fair chunk more money, but that resolution...