I don’t have one currently but I love a rigid bike (or even just rigid forks to swap in and out, to add choice). Makes the same trails ride very differently. I can totally recommend Exotic’s carbons- they’re not the lightest but they’re very good quality and very durable. Not the stiffest by any means but that’s not much of a drawback in a rigid, it helps take some of the sting out. If I was building a rigid tomorrow I’d buy another set.
I think Scotroutes still has my old set but I had them in my Soul and occasionally my Ragley and they didn’t mind getting used hard- ews race stages, an innerleithen uplift day… And maybe more appropriately a couple of glentress sevens. And tons of Just Normal Riding. Tyre is important, I had a 2.5 singleply nevegal which took some of the sting out- and rigids have less grip in general.
I had hylixes which were lighter and stiffer but tbh they were so light I struggled to really trust them, and they were generally less pleasant to ride than the exotics.