According to various sources, the Windows 7 Milestone 1 has been leaked. PC World included reports from a Neowin.net user and a Youtube member.

The Neowin member said “On my primary machine, it asked for my SATA driver (never happened when installing Vista, as my drives were set as IDE in BIOS). After adding the driver from my USB thumb drive, it would finally install. It didn’t boot after first restart, however. On my laptop it installed perfectly, but with no driver support for the video card. After numerous tries I gave up in the end, so Aero is now left in the dark.”

The Youtube member insisted that the screen shots that he posted on his web site are not fake.

The Windows 7 Milestone 1 was sent out to OEM partners earlier this month according to bloggers.

Source: PC World