As detailed on Monday, Vista's first service pack is now available for download on the Windows Update site. Both 32-bit (434MB) and 64-bit (726MB) flavors are available, and Microsoft notes that the Automatic Updates version - which will be detected on April 18th - will cut the download size to roughly 65MB. Among DirectX 10.1, Service Pack 1 apparently boasts greater reliability in applications including Media Player, and various performance improvements across the OS.

Read the full story here...