Here are some other useful sites about old toys and the fascinating hobby of toy collecting - and a few other things as well!
Collectors Club of Great Britain This website is produced by the team behind Diecast Collector magazine. Includes useful diary of toy fairs plus lots of other links.
Vintage British Diecasts - Nick Jones (Archive) A UK site dedicated to diecasts from various British manufacturers, and specialising in Matchbox toys made before 1970. Excellent picture library including some of the full-size prototypes!
Picture Pride Displays Suppliers of fine display cabinets to show off your collection and keep it dust-free. I have been a customer of theirs in the past so I can personally recommend both the quality of product and the level of service. Based near Birmingham, UK.
Spot-On: Wiebe Buising Catalogue of Spot-On models based on an extensive personal collection.