CPU & Mobo: I'd recommend going 10th gen, like a 10700K (really just a 9900K with a different socket) or 10900K, and a Z490 mATX motherboard (so you have an extra slot for a PCIe WiFi & BT card), like the ROG Strix Z490-G or Prime Z490M-Plus, and for the WiFi & BT either the Fenvi FV-T919 or...