IMO: like most of the web it's about accumulating bookmarks. Newegg is really great for electronics in general Sparkfun/mouser/adafruit is great for hobbiest

IMO: like most of the web it's about accumulating bookmarks. Newegg is really great for electronics in general Sparkfun/mouser/adafruit is great for hobbiest parts. For specific niche stuff check your favorite forums.