Looking to upgrade my PC. Mainly use for gaming. What should I consider to upgrade? Is it worth to upgrade parts or just rebuild a new PC? Here are my specs for PC I have now. Built it back in 2012.
Proc: I5 3570k http://www.newegg.com/Product/Product.aspx?Item=N82E16819116504
GPU: Sapphire Vapor X Radeaon DH 7970 GHZ edition. http://www.newegg.com/Product/Product.aspx?Item=N82E16814202001
RAM: Corsair Vengeance 16GB
Motherboard: Gigabyte GA-z77X-UD3H Z77 http://www.newegg.com/Product/Product.aspx?Item=N82E16813128544
Power Supply: Power and Cooling Silencer Mk 2 750W 80 plus silver http://www.newegg.com/Product/Product.aspx?Item=N82E16817703027
Storage: Samsung Pro 128GB SSD and 1TB HHD
Proc: I5 3570k http://www.newegg.com/Product/Product.aspx?Item=N82E16819116504
GPU: Sapphire Vapor X Radeaon DH 7970 GHZ edition. http://www.newegg.com/Product/Product.aspx?Item=N82E16814202001
RAM: Corsair Vengeance 16GB
Motherboard: Gigabyte GA-z77X-UD3H Z77 http://www.newegg.com/Product/Product.aspx?Item=N82E16813128544
Power Supply: Power and Cooling Silencer Mk 2 750W 80 plus silver http://www.newegg.com/Product/Product.aspx?Item=N82E16817703027
Storage: Samsung Pro 128GB SSD and 1TB HHD