Hey, I've been doing some research lately becouse i need a new pc because i will be going to high school, or whatever you americans call it). for this i will be running 3D CAD programs like Solidworks. one of my other requirements was to be able to do some gaming on it. i think i found the perfect balance, here is the partslist: http://de.pcpartpicker.com/p/CZsxQ7
Looks fine, but you should probably ditch the CD drive and that mouse to upgrade your GPU to a 290, Just about any mouse will do, and it'll be way better in the long to just get a decent mouse down the line with a better GPU.
A Utech Venus MMO mouse is nice just for general productivity once you get used to the buttons.
Otherwise if you can find a modular PSU they're nicer to work with.
The GPU is fine IMO, if i were to change anything it would be to add an SSD
you might want to take a look at this?
https://forum.teksyndicate.com/t/fx-series-cpus-still-worth-buying/
I'd do this for you if I weren't on a phone right now but you might want to take a look and check your ram clearance with that CPU cooler - those ram heatsinks look pretty tall.
It's pretty fine, but it could be better at not much cost.
Plus if you went with a 290 you could get a free-sync monitor down the line.