I use mostly Cocoa Barry Blanc Satine 29%. It is excellent for shelling, sweet but not crazy sweet with a nice vanilla note. It is well-priced and a fantastic work-horse white.
I started using it at the suggestion of Norman Love, who also uses it as his main white chocolate.
Of course, it's a matter of taste, so you just have to keep trying them until you find one that you like and that works well for its intended applications.