Correct...we have purchased this software, and it works awesome. We have over 59 clients using it with dedicated servers, and the way it handles the backup is flawless. The button is installed via SSH, and allows the client to restore any files (tree view) back onto thier cPanel. I recommend that you use this, and if you need assistance let me know. We offer it to our clients, and anyone else needing it that is not with us (hope that is ok to say here). To be honest...if you do not backup then you are going to regret it one day. R1Soft is awesome, worth the extra $$ to find someone who provides it, and well built.
Mario and David are great to contact if you have questions about this software. Also, you may want to ask your Dedicated Server Provider about this as well to see whent he increments are done on backups.
At this present time we run it on a Linux but soon to be a Windows as well when it released from Beta.