Hello, this is my first post and needs a few tips from you. I’ll order an XC90 D5 Geartronic, but I’m not sure which equipment line. Is Executive worth it and are there any disadvantages? Is the extra €900 for the premium sound system worth it? Otherwise the equipment is already fixed: RTI,PDC, Schwarmet., laminated glass, GSD, wood and 18″ Thank you for your help in advance. mihvolvo