Like the title states, I'd like to do a few upgrades, unsure of which route to take, maybe just sell the PC and build a new one with the 500$ I'd upgrade with or just do the upgrades.
i5 4590
Nvidia GeForce 770
8GB G Skill DDR3
MSI GD65 Z87
Rosewill 750w
NZXT H440
Samsung EVO 840 120GB
1TB...