Should I plaster the walls in my new house?
When I built my house 20+ years ago, my wife and I opted  for 2 coat, hard coat plaster instead of drywall with taped joints, since she wanted to paint all the walls with a semi-gloss paint finish. The semi-gloss finish would have been impossible since it would have highlighted the taped joints. We were told that if you use taped joints you could only use a flat finish that tends to hide those taped joints. The whole house is now painted with a semi-gloss finish which she can wash or remove any marks put there by people and grand-kids. If you opt for a plaster finish make sure you use enough paint coatings. We used 2 primer and 2 finish. She is happy, so you know I am also happy.