Originally Posted by forelle
We are testing the 680 at the moment. We haven't found any problems and should have a decision very soon about supporting it. If you can hold off a week or so, we should be able to say yes/no.
I've just had the nod from the QA's that they're happy to support the 680. We've tested it on 1.4v3 and it will be officially supported by the upcoming versions.
With 1.4v3 on the 680 you should just be able to permanently ignore the warning dialog.