Just a little chip in...
+1 on the Befaco OUT https://www.modulargrid.net/e/befaco-out-v3 Its especially well-priced if you fancy a bit of soldering and will take you down to Line-Level from Modular.
Enjoy your spare HP, don't rush to fill every last space, this is not like filling sticker books. Resist the urge to 'complete' your rack, its never complete so just relax.