It's not perfect but the SOO's address two of your first three "We don't knows..." to a limited extent & the comichron site has estimated sales via direct. Total printed?  Yup.  Estimated NA sales via direct?  Yup.  Total returns?  Yup.  So I can look at ASM and for the ASM SOO LINK year 2011 the average NA sales were in the 60K range which I can round up to at least 65/66K for worldwide plus the #666 bump, then add another 5600 subscription copies (direct versions) - so if I take