If it was listed for about $100 less then I think it would be a good buy. There should be an option not to include games for lesser price.
Also if anyone knows which game uses 16GB VRAM?
Before upgrading your card you should upgrade your CPU first as it will bottleneck your system in the future.
If you don't want to go for DDR4 platform as DDR4 rams are expensive then you can simply upgrade to i7 4790k with only MB upgradation and can use your previous builds rams.
And RX580...
I just bought HyperX Cloud Alpha Headphones and I wasn't convinced with the sound quality of it. My PC isn't the latest and greatest, Core i7 4770 with Asus Q87M-E Motherboard. Been searching around for a while and found that the sound card on my motherboard isn't good. I can't upgrade my system...