I hear you on being wary of being sucked into Eurorack. I got a bit overzealous with designs over on ModularGrid, but I’m happy to be using a simple lunchbox which houses my single Rample, a panner, and an output module. I plan on a second Rample. (In my lunchbox there’s room for 3 Ramples and a simple panner like Nearness (2hp) along with space for 1u tiles)
I would agree the Rample is probably more suited to shorter mono samples possibly due to my inability to regard device flexibility in my creative process, but I use mine regularly for samples that develop over several measures and stereo - generally on my single Rample I’m using SPs 3&4 for Stereo and 1&2 for singles, mostly perc & perc like stuff. Your mileage may vary.
With the OT OS 1.40 I’ve re-integrated that device into my rig to focus on those. No shade on Rample doing stereo and longer samples, just that dividing up tasks by device helps my creative process.
However the Rample is EASILY controlled via MIDI and that is probably the biggest selling point for me. I find that grooveboxes tend to want to be the Master and the Rample is happy to be controlled. Also being able to select kits via MIDI is nice.
Re: limited samples per SP - There are 4 SP’s, each with 12 layers, and each layer can have 64 slices. If you are into manipulating MIDI data and can handle the extra prep time to make slices and organise layers, that means that theoretically there are 768 samples available for each SP. I have yet to put this to serious testing for latency and/or accuracy (and I may never get around to it).
I wish I could speak of the BlackBox from experience. It looks like an amazing device and was on my radar until the Rample came out. Honestly I was looking at 1010music’s Eurorack version before the desktop variant came out. Also the cost of picking up a case, powersupply, etc for Rample might be prohibitive. I’d love to hear about experiences/suggestions from people who use it as a Slaved device.