The answer in 2018 is the same. Keep your Ivy system not much point in upgrading and you can get $3,000 Ivy xeon workstations for like $300.00 now with 32 gig ECC.
I have Sandy, Nehalem, Ivy, Haswell, caby and skylake. Which ever I put my 1080GTX in is the best gaming system. So put your...