I think that you will find that many windscreen replacement companies will not touch them. We do them fairly regularly for Land Rover dealers but we prefer that they remove the headlining and associated parts. I think the book time is about eleven hours for the whole job, so the words panoramic glass roof and cheap do not appear in the same sentence. Your glass insurance will normally cover the cost but check first as some insurers specifically exclude panoramic roofs because of the cost.
Not with my insurance it covers all glass, something I've made sure of since I had a week old car vandalised years a go, when all the glass was damage.
Lesson learned don't park a new car outside a pub near Millwall football ground