I would recommend 6.1(3). Any release containing like, 5.0, 6.0 or 7.0 should be avoided. Wait for the 5.1, 6.1, 7.1 versions. They contain a lot of fixes and could save you hours of headaches and calls to TAC. Just my opinion and experience.
Thanks for advice. I've done it today w/o any problems.
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