Ah yes, Boston Acoustics....they do make a nice 6x9.
Or you can make 6x9 plate out of mdf and use any size coaxial. CDT makes a nice 6" round coaxial in their CLASSIC series ($109 msrp). //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif