Is it worth it to change from Ext4 to Ext3 in order to use Partimage?

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http://askubuntu.com – I am looking for a partition imaging program, like Norton Ghost or Acronis True Image, that will run on the PC (not from live-cd or USB) and can save the image onto a separate partition. I am brand new to Linux/Ubuntu, so it must be with a GUI front-end. I have been searching around and the only application I have been able to find to suit my needs is Partition Image (partimage), but it does not support the Ext4 file system. Can you recommend an alternative that supports Ext4 or am I better off repartitioning my HDD for a fresh install with Ext3 (or one of the other file systems) to satisfy (HowTos)