One potential indicator for future acceptance of this technology is the number of books scheduled for release during 2008 featuring Adobe Air - just take a look at the Amazon list. While certainly not a foolproof indicator it does show just how many authors and publishers are prepared to bet something on future take-up.
http://extjs.com/blog/2008/02/24/tasks2/
pretty sexy stuff!
http://timony.com/mickzblog/2008/02/16/adobe-air-for-linux/
"Q: Is this a public announcement? A: No. This announcement is intended only for Adobe prerelease members.
Q: What exactly are you announcing? A: We have posted the first engineering builds of the Adobe AIR runtime installer and SDK for Linux. In addition, we have posted several applications. You should consider these builds only alpha quality.
Q: Is the AIR on Linux feature complete? A: No, please see the release notes for what’s currently not implemented. For example, key features such as printing, hardware acceleration, badge installation, keyboard accelerators and screen API’s are not yet completed. For a complete list, please see the release notes ... "