Ignore most everything said here in this thread as (most of) the people are talking out of their ass and have no experience or know-how.

That script is garbage by the way.

If money is no object then you might as well get one made. That's a very big if though. Testing and bug-fixing will take quite a while as well as the up-keep and keeping ahead of the low-life scum cheaters. You can also get xfilesharing pro and get a lot of modifications done by a freelancer. Check the forums there for info and forget everything you were reading here.