interfacebus.com looks like a really good resource for reading up at a high level about information that may be of interest as an engineering professional, especially to become from familiar with new buses and the various components that connect to it at a systems level (as well as specific vendors in that space).
An Indexed listing of Electronic Engineering Web Sites of Component and OEM Equipment Manufactures:
Analog and Digital Integrated Circuits [ICs]; Memory, Processor and Programmable Logic IC’s, Bus Interface IC’s,
Passive, and Mechanical components; Resistors, Capacitors, Inductors and Sensors, EDA Software vendors,
Electrical Engineering Standards and Specifications, On-Line Publications, Computers, Power Supplies,
Electronic Enclosures, Chassis, Racks, Backplanes, Mother Boards, and Test Equipment manufacturers.
Providing detailed electronic design information regarding Interface, Computer, Cable, Processor and Embedded Buses.
Leroys Engineering Web Site, interfacebus.com; Hardware Manufacturers, Computer Bus Descriptions, Engineering Design Information