+1  A: 

I'd highly recommend developing your own transfer control instead. Likely it will take the same amount of time.

Spencer Ruport
Can you elaborate this little bit more?
Maksim
+2  A: 
Peter Recore
No, I'm not going to do anything to those files, so it is fine to upload them as it to S3. Any suggestions what I can use to upload files straight to S3.
Maksim
http://docs.amazonwebservices.com/AmazonS3/2006-03-01/index.html?UsingHTTPPOST.html
Peter Recore