More details please. * Are we talking a few giant files or thousand of small-ish files? * Who is on the receiving end? Technical people from who we can expect

More details please. * Are we talking a few giant files or thousand of small-ish files? * Who is on the receiving end? Technical people from who we can expect that they are able to run some command-line stuff or your average joe? * What type of scenarios must the solution work? What OSes? Is it acceptable to install extra software or must it work out of the box? etc. etc. etc.