Apple today released iTunes 7.0.2 which adds support for the Second Generation iPod shuffle and addresses a variety of stability and performance issues found in iTunes 7 and 7.0.1.
• Mac OS X 10.3.9 or later
• Windows 2000 (Service Pack 4 or later)
• Windows XP (latest Service Pack recommended)
More info and download link (25.5MB for the Mac version, 35.1MB for the Windows version) here.