That's our favorite building/view at Pop. We go to bed early so a room in a quiet location (minimal foot traffic or especially, no pool!) is a priority. It's very quiet and peaceful overlooking the lake! We also like building 10. It's pretty quiet on the top floor and there are a few rooms with a view of the Mickey phone. We had one near the elevator with a view of it that was a little blocked off but still a nice view. The room next to us was probably a better view. I was worried that time being close to the elevator would mean more noise but it turned out fine .
It's funny, but I sleep better at Pop than I do at the deluxe resorts. I find them much noiser! The worst night's sleep I've had at Disney was actually at the GF in the main building. A close second is any room at all in the CR tower (the south wing is quieter). And third is BC. Aside from the one time we had a pool view room at Pop, I always sleep very well there. It's part of why I love this resort so much! It might be huge, but it was designed well!