ThinkSecret reports that Final Cut Pro 5 will be debuted at the National Association of Broadcasters conference in mid April.
According to the rumor site, the new version of Final Cut Pro will require Mac OS X 10.4 (Tiger) -- meaning that the new software's retail release may lag a couple of months while waiting for the consumer release of Mac OS X 10.4.
Mac OS X 10.4 is said to be released in the "1st half of 2005". Unconfirmed whispers have hinted at possible dates... but no reliable. information is yet available.