That post was my opinion, and I still stand by it. As for the frame cut by the mafell... its all about tolerances. Where to take the line and by how much. Where to leave a little slop and where to be dead on. In my opinion a mortise generally should not have to be cleaned up with hand tools after a mortiser. Power tools can be rigged to use for irregular timber, with the use of levels. I mentioned be for a bullseye level on a hole hawg, you can also use a small torpedo on the rails of a mortiser. I prefer to use power tools, but I do use hand tools everyday in the shop. Every tool has a time and a place. The frames that I work on power tools do most of the grunt work.