Apple's vice president of worldwide marketing, Phil Schiller, has given more details of what to expect in Mac OS X.

Schiller said, in an interview with CNET, that Apple is working extremely hard to ensure that the next generation of Apple's QuickTime 5 will ship in the box with the OS X. QuickTime has been undergoing extensive public beta testing in recent months.

iTunes and iMovie will not ship with Apple's operating system, but Shiller said: "We're working really hard to make these available for download when OS X is released."

Missing DVD Schiller also confirmed recent reports that DVD playback will be missing in the initial release. Looking forward to OS X.1, he said that this feature is not ready, but promised that it would be available for download at a later juncture.

The lack of DVD support also nixes the use of iDVD (Apple's recently-announced DVD authoring application) as a native OS X application. More details will be revealed during an OS X pre-launch press conference in the US on March 21. Apple users will be able to use iDVD in OS X's OS 9.1 (Classic) environment.

Schiller asked Apple's customers not to focus on what was lacking in Mac OS X as there will be "a couple of hundred new features".

Dock additions Schiller also said that the toolbars have been made completely customizable, and that some commonly used Control Strip items, including AirPort access controls, had been added to Mac OS X's Dock. This was in direct response to public feedback during the beta testing cycle.

In the latest version of OS X, disk drives will now show up automatically on the desktop, and the Clock has been put back into the Menu bar.

Apple has also added iTools support to the OS.

OS X goes on sale on Saturday March 24 and will cost £99 (inc. VAT). Public Beta testers are eligible for a £25 rebate on the final shipping version - this offer closes on March 14.