hi, looking for a home computer (email/photo/home video/games for kids/internet etc.), and looking at a used mid-2011 model (specs are below). I would most likely upgrade the 2011 HD to 1TB. Cost of used machine is around $1,200 after upgrade (see below for costs). So i'm weighing up this vs a new 2014 model for $1,600. Am in decision making conundrum! I'm new to iMacs, so would love some advice here. Would the 2011 give me a good 4-5 years of reliable service, or should i pay extra $400 and get a newbie? 2011 iMac Intel 21.5 2.5GHz i5 QC 4Gb RAM, 500Gb Hard Disk, Superdrive (Mid 2011 MC309X/A) $895 plus $230 for upgarde and $45 for One year Warranty VS 2014 2.7GHz quad-core Intel Core i5 8GB (two 4GB) memory 1TB hard drive1 Intel Iris Pro graphics $1600 Thanks, H.