Bootcamp no longer offers support for Windows XP and Vista on the new MacBooks just released last week, according to ZDNet.
An Apple support documents says,
MacBook Air (Late 2010) and MacBook Pro (Early 2011) computers support 32 and 64 bit versions of Windows 7 Home Premium, Windows 7 Professional, or Windows 7 Ultimate.
Note: Windows XP and Vista drivers are not supplied for these computers and are not supported.
To use Boot Camp with with Windows 7, you need the following:
● An optical drive (MacBook Air computers require an external optical disc drive to install Windows 7).
● A blank CD or USB storage device to contain the Windows Drivers created by the Boot Camp Assistant.
● For 32-bit versions of Windows, at least 16 GB of free space.
● For 64-bit versions of Windows, at least 20 GB of free space.
● Boot Camp Assistant, which is pre-installed in /Applications/Utilities/ .
● An authentic, 32-bit or 64-bit Microsoft Windows 7 Home Premium, Professional, or Ultimate disc.
Read More [via Hank]