An alternative to Dropbox

With the popularity and ease of use of services such as Dropbox/box.net I have heard a lot of rumblings from users and companies looking for “business” solutions to the file sharing problem. While there does appear to be a multitude of cloud-based solutions the number of companies offering non-cloud based alternatives appear to be pretty slim and (in my opinion) overpriced with prices ranging anywhere between $1,600 to $11,000 a year for only 20 users. Based on my experience purchasing business software over the years I was anticipating something standard such as a one time software purchase ($1,000-$11,000+) with a …