Looking to update an 2011 iMac on its last legs. Saw a deal at B&H for the latest 27" model normally $1799 on sale for $1599 a couple weeks ago and didn't bite fast enough. How good was that deal? I was debating between it and the 2017 model that was $1329 and had only the 4 core i5 vs the new 6 core. Specs seem to favor the newer one in all areas. I will be upgrading the hard drive and SSD, as well as adding RAM once I get whichever model. is $1599 the best price to expect on the newest ones for a while?