Pow3rslave, while I don't mean any disrespect, you have a basic textbook idea of what you're talking about, but honestly nothing applies here.
OP: your computer has great specs, 50-60% CPU usage is fine, your CPU is good and can't really be upgraded. I wouldnt bother upgrading unless you're seeing 100% a lot of the time.
OP: your computer has great specs, 50-60% CPU usage is fine, your CPU is good and can't really be upgraded. I wouldnt bother upgrading unless you're seeing 100% a lot of the time.