Nope, I've been on that crazy train before.
However, I've not used BIAB for over 5 years now (even though I upgraded to 2020) so I'm on the fence as to whether even spend the money on this ever again.
Since these are the only ones I don't own and have zero interest in, $299 would be a huge waste of $299 for me.
Dear Reality dearVR MONITOR
Dear Reality dearVR MUSIC
Dear Reality dearVR PRO
Deskew Gig Performer® 4 PA Edition
Deskew Gig Performer® 4 PA UNLOCKED
Knif Audio Knifonium
SPL DrumXchanger
SPL HawkEye
Unfiltered Audio Bass-Mint
Unfiltered Audio LION
Unfiltered Audio LO-FI-AF
Unfiltered Audio Sandman
Unfiltered Audio SpecOps