(1) http://www.2brightsparks.com/syncback/sbpro-features.html
Most of the other services like Carbonite start to throttle your upload speed after so many GB. Crashplan does not.
Crashplan also has a family plan good for several computers, with unlimited storage, and you can even set computers to back up to each other as well as to their repository.
For websites, a periodic file dump via FTP, and database dump via a MySQL script is nice and easy. There are also Wordpress plugins that will do the dump and email it to you regularly.
But other than that: * everything is in source code control, with clones of the repository in a few places * AMIs for the production machines (copied to multiple AWS regions for redundancy) Only taken every couple of months since they are just a pull & build away from being up to date. * Google/Dropbox for email, documents, etc using TrueCrypt for sensitive stuff
I don't really see the need for a full traditional backup process. When I did use one, I never found the time to fully test the restore process frequently so would have to doubt how robust it was anyway!