PCPartPicker part list
/ Price breakdown by merchant
/ BenchmarksCPU: AMD FX-6300 3.5GHz 6-Core Processor
($116.98 @ SuperBiiz) Motherboard: MSI 970A-G43 ATX AM3+ Motherboard
($59.99 @ Newegg) Video Card: Asus Radeon R9 270X 2GB Video Card
($215.91 @ Newegg) Total:
It's pretty decent, not sure if it's the best though.
I don't know your current setup, so I'm not sure how much of a jump this would be in performance.