I use ExifPro most of the time. Also there are still some tiny pieces of clumsyness in it, for example no real file/folder drag and drop, its speed makes up for this especially when organising lots of files. Enormous amount of features, great layout, perfect support. Uses EXIF thumbnails for speed. If you have a large collection of pictures without thumbnails, it's wise to use Exifer first to give them all EXIF thumbnails.
3D Photo Browser is not the best photo browser and hardly a tool to organise them, but if you have lots of 3D files as well (and probably lots of texture pictures) this is an absolute must-have.