@snwh I've wrote about your site computefreely.org at https://discussion.fedoraproject.org/t/campaign-to-get-windows-7-users-to-upgrade-to-linux/1015 (edit: and https://discourse.ubuntu.com/t/campaign-to-get-windows-7-users-to-upgrade-to-linux/9563) and expressed some ideas about maybe making a campaign to get Windows 7 users to upgrade to Linux?
Maybe you want to have a look/check it out.
As for this site, maybe you can adjust it/make some special "Upgrade/Switch" page, or so? No idea…, just wanted to let you know.