Glue-ups and inlays are the only time I use CA. I started using it at Ed Davidson's suggestion as I think he has some of the tightest glue-ups I've ever seen. As long as the surfaces are very smooth, you shouldn't have a problem. I've also used 5-minute epoxy successfully. Titebond should work, but I've not tried it. I probably wouldn't try Gorilla Glue but that's no reason not to. A thick glue line will only show if you want it to or if the pieces are not perfectly mated. Jeff, there's "dark wood" Titebond (and other manufacturers like Elmer's) and black CA. Either should produce a fine dark line.