Advertising itself as a cheaper Dropbox alternative with a better feature set, Insync has been in closed beta for the last 15 months. Now, they're finally ready to launch with a service that tightly integrates into Google Docs. It's "8x cheaper" than Dropbox, according to their marketing.
Insync brings a number of novel features to the table, differentiating it from Dropbox's current service. For example, you can share individual files with more granularity -- not just as public links, but specifying read-write or read-only permissions. You can also revoke a sharing link, which isn't possible on Dropbox unless you move or delete the
