I like to have some clutter in places where it makes sense -- some of the newer bookcases have empty shelves that are great for small decor items or assorted career rewards, and I really like that. I'd like to see maybe a few more kitchen clutter items, especially items that can sit on open shelves without the use of MOO or alt-placement. In fact, if a gallery build requires MOO I usually look for a different one, especially if it's a house I plan to play actively rather than just a place to park extra Sims. (I tend to only use MOO for outdoor landscaping, mainly the plants/shrubs that Sims don't interact with and that don't affect routing.)