Have you developed your perfect white semi-gloss, egg-shell or matte domestic interior wall shader? Would you share it here? Thanks.

You mean ingrain wallpaper ?

That's nice but a bit posh for North America. I have not seen that finish before IRW. I was thinking just plain old generic semi-gloss or eggshell latex paint. The Poser interior sets I buy never really have convincing wall paint... I don't actually know why they don't look right but they don't. I tried the clay node and some subtle reflection over a very very subtle noise displacement and with soft cloud displacement so the walls don't seem un-naturally flat. I have tried these stategies (plus false shading to simulate light drop-off) but I have not hit on the "perfect" wall paint. BTW the noise is used to simulate the 'tooth' texture created by paint rollers.