Is there a Google Chrome extension, app, hack or something that will add an option on the download dialog to Open the file right away, instead of having to download it to a specific place?
I'm not sure if you can open a file in a desktop application right away, however, you can preview the file in your browser almost immediately, with the option of downloading the original.
To preview the file instead of opening it with a desktop program (other than your browser), try the Docs PDF/PowerPoint Viewer extension by Google, which uses the Google Docs Viewer.
After you install the extension, you'll find a
Here's how it works.