Really good and useful request.
Regarding accidental data loss: Checkvist Pro account gives you up to 10 daily backups of all your lists. Not the same, but may help in some cases.
We are testing integration with Evernote via Zapier: https://plus.google.com/b/114021845786371597651/+Checkvist/posts/SoiDZevJKdZJody Botham commented
If you could load the linked Evernote note content inline that would be hugely useful.
214 votesAdminsashika (Admin, Checkvist) responded
Dear Adrian, thanks for giving your vote to this issue! We’ll try hard to keep the user interface simple – promise!
Current work in progress for the offline HTML5 hybrid app, please try it: https://checkvist.com/auth/mobile
We also have a separate feature pool for it:
We would really want to implement this in a new mobile HTML5 app for iphone/android devices first.