Summer is coming (honestly! it'll be here July 5th) and we'll have our windows open and notice the aircraft noise more.
The CHS: Capitol Hill Seattle blog deals extensively with the Blue Angels' noise issues.
Here's the text of a recent E-mail circulated on the Squire Park listserv, which explains why we hear so much plane noise (because Mercer Island doesn't) and what you might do to help. It includes many useful links, such as this site which tracks all local airline traffic.