Drag and Drop File Attachments on Gmail!!!

The new feature Drag and Drop to attach files on Gmail is so awesome.  You can do multiple files drop on the browser and it uploads them all for you.  The catch is it only works on Google Chrom and Firefox browser at this time.  http://www.googletutor.com/2010/04/21/how-to-drag-and-drop-attachments-in-gmail/