Do you think Oracle should go for Own OS development or Sun takeover?

Oracle ... creating a world around it by selecting top notch companies and getting them in their own portfolio...

JD Edwards

PeopleSoft

Iflex

GoldenGate

Above are some names and recent in heard is Sun....

What should be best strategy to buy Sun or other OS company or to develop their own OS???

Regards,

NilTheDBA