I'm sure you already heard about the popular commercial package Norton Ghost®. The issue with these kind of applications is that it takes a lot of time to multi-clone systems to many workstations. You've probably also heard of Symantec's solution to this problem, called Symantec Ghost Corporate Edition®.
Today I would like to present you an open source clone system solution called Clonezilla which supports unicasting and multicasting.
Statistics says that from the all people who use internet, in the age of 17-76, just 9,5% of them are doing data backups regularly, 22,4 % are doing backups "from time to time" and 17% are not doing backups at all. The rest (~13%) says that it's not a problem for them because they don't keep any important data on their computers.
Acronis Backup and Security 2011 is a backup software that allows you to create data backup and store it on external media or on online backup service. The tool is based on subscription system - offers the possibility of internet backup service so you can store the files on the servers: 5GB or 250GB (Premium version).