Windows XP Service Pack1 Beta Build 1078 has been internally released @ MS which includes MSN Messenger 5 Build 322 and Windows Media Player 9 Build 261! Hit Read More for a screenshot.

Update: Beta Testers can now Download Windows XP SP1 1078. Thanks to DriverHeaven. Windows XP SP1 1078 screenshot Big Thanks to Bink.

Download Windows XP SP1 1078