If you have seen a recent copy of some of the frum newspapers, you might have noticed that CAY was one of the 400 Shuls that have signed up with Agudah for the National Tefillah Initiative over the next few weeks. One practical consequence is that our shiurim will be more focused on Tefillah.
Although our Shul definitely falls into the quiet category, it is probably worthwhile to try to eliminate the quiet conversations taking place during Chazoras Hashatz. The OU has a nice collection of essays titled Let's Schmooze About Davening which discuss the decorum during davening issue.