Picked up 2 PCIe Sound Blasters for $10 each off Craigslist: an Audigy FX (with low-profile bracket), and an X-Fi Titanium Fatal1ty Pro. : r/ThriftStoreHauls
Plantronics RIG Headset w/Mixer
Amazon.com: ASRock X399 Professional Gaming sTR4 SATA 6Gb/s USB 3.1/3.0 ATX AMD Motherboard : Electronics