I don't think so. The only precedent I can think of is the delayed 10.5 (edited) release due to the release of the iPhone:
"A year later, this was amended to Spring 2007, however on April 12, 2007, Apple issued a statement that its release would be delayed until October 2007 because of the development of the iPhone."
"A year later, this was amended to Spring 2007, however on April 12, 2007, Apple issued a statement that its release would be delayed until October 2007 because of the development of the iPhone."