Few weeks ago the good guys at the IDPeople magazine interviewed me on the topic of identity & cloud computing: you can access the text online or the pdf here (requires free registration). During IDWorld they also recorded a brief video about my session on the same theme, but I don't know when or where it will be published.
Note. The interview is not very technical, since the bulk of the readership of the magazine is mostly top managers, policy makers and the like: I hope that this makes it a useful tool for you architects & developers following this blog for making the case for claims based access (cloud or non cloud) with your management. If you want something more architectural there's still the article on issue #16 of the Architecture Journal, which goes in way deeper details; and if you want something for your developer's taste buds, stay tuned :)