This content is over 10 years old. It may be obsolete and may not reflect the current opinion of the author.
Next Tuesday, I will be at Tossug, talking about how to implement AJAX File Upload using only APIs supplied by HTML5 to replace SWFUpload or the crappy iframe. The talk will base on this post with extend information on some findings, and comparison between browser platforms. Please register if your interested; information can be found here.