hmmm, I want to test VR but can't really afford it, how good of a PC you would need to use this thing?
You can check by this performance test tool
https://store.steampowered.com/app/323910/SteamVR_Performance_Test/
Minimum specs is a GTX970 , 4GB ram, 1 USB slot, 1 HDMI & display port slot, but you will want better specs to run VR games at better performance