This is my second Jasper's stand. This was bought for the studio and is a triple board stand. I use only midi controller boards now as I play through soft synths only so this isn't subject to a lot of weight. However that said, my previous Jasper triple held a motif, triton extreme and korg n5ex comfortably and I used it on tour with no problem.
Obviously there's a few pieces to these so not sure you'll want to use them for live shows unless you have a vehicle that will take the stand pre-assembled. However in the studio this is excellent. It's very lightweight and can be configured however you like it - I have keyboards on the two lower shelves and then bought an extra set of support arms for the upper self and I have a laptop on one side and a 25 note midi board on the other side. Being on wheels also means it can be moved easily and don't underestimate the convenience of this.
I wouldn't hesitate to get another of these, the price is excellent considering all the parts and the adaptability. I've not seen anything else that comes close in this price bracket.