A quick update: i'm probably going to be busy for the next days working on level-of-detail, as the deadline for the next Minas Tirith viewer is coming. I am implementing LOD for static meshes. I had already implemented that algorithm some years ago, so i think it will mostly be a matter of getting the code and the parameters right. Hopefully this shouldn't be too hard, but it might take some time. I probably won't have nice pictures to post for a while :)