Useful Links

Vista

WHDC

WHQL, Winqual, and the Windows Logo Program

Industry Standards

PCI-SIG (Peripheral Component Interconnect Special Interest Group)
PCI Conventional

USB Implementers Forum, Inc.
1394 Trade Association (1394TA)
SCSI Trade Association (SCSITA)
Wi-Fi Alliance
WiMedia Alliance
Digital Living Network Alliance (DLNA)  
Bluetooth SIG

Windows Embedded

Microsoft Windows Embedded Developer Center

Linux

Linux Weekly
Free Software - Writing device drivers in Linux: A brief tutorial