Filer an appadvice "Essential App"
The very best app to help you download your files is called Filer. The new version 2.0 integrates with Dropbox and allows you to download files in the background…The app includes a bunch of other great features that make it an essential app for any iPad.
Great roundup, thanks guys!
P.S. Filer 2.1.0 is coming very soon, packed with bug fixes and tons of new features.