By Steen Schmidt on Dec 06, 2011
So I just took a vmware image of a Linux converte into a ova (Open Virtualization Archive) file, then I was able to do a import through the OVM manager. When this assemblies had been loaded, it was unpack and the next step was to create a Clone from my new Template.
And "voila", I had a running VM with Linux in Oracle VM 3.0, imported from VMware.
So it could not be more simple, and it works.