Parallels
Parallels is a great para-virtualization tool for MacOSX. Pufi, a friend used this a lot, but once decided to try some alternatives. Now VMware is out with Fusion, doing the same job on the platform.
However, everyone faces the problem of reinstalling; it takes enormous time. Qemu has the tool qemu-img to convert between formats, it even knows how to write VMware images. Would be a great opportunity if it supported Parallels. Now it does.
Pufi gave me a bunch of disk images to work on. Sparse image formats used by commercial and open source tools are not really different, no breakthrough ideas, no real extras, just the same algorithms.
Watch out Qemu, hopefully this patch will be integrated.
Update: patch available here
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