The problem that I've always had with GIMP is that it (menus, macros, general UI, etc.) doesn't mimic Photoshop. If you want to go after a well established pro

The problem that I've always had with GIMP is that it (menus, macros, general UI, etc.) doesn't mimic Photoshop. If you want to go after a well established product why not mimic these things to achieve a higher adoption rate (due to instant familiarity)?