Thanks for your thoughts. I realize I didn't share some of my goals - I agree that if this was the only rack I planned to use for learning that a semi-modular unit would be better value. I intend to build a larger 6U rack in the next several months, aiming to master a few modules at a time. The Data unit has been very valuable to me to inspect waveforms and the harmonic spectrum, as well as debug some issues with CV coming from other gear that I have (several synthesizers and drum machines). My objective with this first unit was to move fully into the modular world, as I have several years of experience with semi-modular units and 20+ years experience as a musician. Going forward this rack will serve as a sort of "staging" rack as I learn new modules.