For a more detailed look at just how all this breaks down, check out Paul O'Brien's analysis of Marvel sales for July 2007 and Marc-Oliver Frisch's corresponding analysis of DC sales for July 2007. These both include month-to-month and annual comparisons and give you a good idea of the state of the Big Two. And for anyone who'd like to keep up with this in the future, Heidi MacDonald's blog has a category for sales figures that'll give you the latest columns.
FnordChan
FnordChan