Everything I really want in the cloud, I have in the cloud - music (Rdio), podcasts (Instacast), books (Kindle), text files (Dropbox/apps). I am hopeful that Apple can simplify cloud services for appmakers. I've found many of the Dropbox syncing apps (ie text editors) fairly wonky - requiring an explicit sync confirmation or mostly just allowing me to push a file to a Dropbox. I hope that they enable/encourage a more seamless "autosave" experience to be standard.