I hope there's something by end of January. I've been waiting for new iMac, my old 2009 iMac (top of the line then, i7, 16 gigs RAM, etc.) is barely useable. Very disappointed no upgrade yesterday - for the first time in 30 years (!) of Mac use I'm debating going over to Windows due to lack of desktop. Yes the current retina iMac is pretty good but I'm unwilling to buy something without USB-C/3.1 support, not to mention over-priced