Ypu're not going to beat Unicomp or New Model F, but if you go for box I went with the Box Navy rather than Jade after looking at the force curves and was happy with the results.

Yeah if you really want buckling just get them, nothing else is exactly the same.

I used to default to box jades but switched to a stiffer click bar from Spirt as my default but now I prefer clickies. I am not sure if you can still get the bars from Spirt as its been a minute since I last ordered from them and I know they had a few issues with fulfillment.

I find box switches with the click bars at the stiffer end to be a more sharp tactile bump than alps and louder, more tactile than anything under the ambers, which they are about the same as. If thats what you are after they are a decent choice but I prefer clickies as I mentioned. Neither are exactly the same as the alps switches and I prefer the sound of the alps, although they can be scratchy.