If you are going to buy a COB dyna I recommend a 7 line version. I also prefer the 6.5" depth for playing as it has more "character"...
[IMG]http://i288.photobucket.com/albums/ll197/Luxor65/dyna004.jpg[/IMG]
However, my favorite everyday snare is still the 6.5" Powertone.
[IMG]http://i288.photobucket.com/albums/ll197/Luxor65/PT1-2.jpg[/IMG]