As an FYI, the FX9590 is a horrible chip. It needs a specialized motherboard (of which there are only a few) - although it will physically fit many boards with the AM3+ socket, most are designed for a max TDP of 140W, with the 9590 running at 220W! Power phases/voltage regulations etc on most AM3+ boards are just not up to the task. Even with an appropriate board, it still requires a high-end cooler (either air or liquid) to cool it adequately.
This forum is a brilliant resource for that. Honestly, if you're unsure what to buy (even if you think you're 100% sure!) it never hurts to post up a question and gather some feedback. I can't imagine there's even a single user on this forum that would've recommended the 9590.
The FX4350 is capable enough, but it's fairly entry-level. Considering all the funds you've thrown at this, you could've put together a much more capable rig.
If you want, you could post a list of the components you have available to you now (either here or in a new thread) and we can help you piece together the best rig possible from those components?
Structure it like this:
CPUs:
FX11111
FX22222
Motherboards
MB11111
MB22222
RAM
etc, etc.
Once you/we've figured out the best build from the components, you can sell off the unused components (either individually, or build a second rig to sell).
As a heads up though, there may be some new purchases involved to make the ideal setup from what you have (might be a motherboard, might be a PSU etc) - but more than happy to help you figure it out.
**If you decide to start a new thread for this, post a link to it in here so I get the notification.