I am currently using BC1 Mini and so the comparison is based on it.
I recommend these 2 candidates for your consideration:-
a. Small N1 ITX test bench
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Quality is on par with BC1 Mini (I rate both at 9.5 out of 10) but with much cheaper price (about 50% cheaper)
It comes with a built-in power button.
Very sturdy, very solid.
b. JXK K3 Mini ITX bench
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Quality is slightly below that of BC1 Mini and N1. I rate it 8.5 out of 10. Still sturdy and solid.
Much much cheaper than BC1 Mini (about 75% cheaper).
It comes with a built-in power button + reset button + 2 USB 3.0 I/O (which saves you buying an USB hub).
An top cover is available as accessory.
It receives ATX PSU natively. For SFX(L), a transfer bracket is needed.
Strength of BC1 Mini is, of course, its quality. But it costs much more and lacks any power/reset button + USB ports.
For benches like the Momentum, I have used JXK J1 before.
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Quality is also very good. I give it a 9.
However, the shipping packaging is only average. However, I receive mine without any damage.
One thing I discover of this particular design is that the cantilever part can sag a little bit (3-4mm) due to the weight of the CPU cooler (NH-C14S for my case). But the easy solution is to 'pre-stress' that part slightly (upward by a few mm) so that the end result will be a perfect level and horizontal cantilever. No sweat.
J1 receives both ATX and SFX(L) PSU natively.
I have seen a couple other similar ones but I cannot remember their names at this moment. But I think these 3 should be good choices.
