Just found this over at the Windows XP site. Sorry, only for US residents... :(
Old computer not quite up to it? Now you could become one of 50 winners to receive a Dream PC for life.
You could win a powerful Sony VAIO Dream PC system, a Sony gift certificate, and a $15,000 PC purchase allowance, courtesy of Microsoft and Sony. Or you could win one of more than 1,000 prizes that make Windows XP an even better experience.
Not only will it be easier than ever to stay on the cutting edge of technology, but you could be among the first to get Windows XP and experience the best of the digital world.
NOTE: A Passport is required to enter this sweepstakes. All @hotmail.com and @msn.com e-mail addresses are Passports.
Promotion begins at 12:01 a.m. (PT) on September 19, 2001 and ends at 11:59 p.m. (PT) on October 22, 2001.