Some useful links
Japanesenaturalstones.com - The best online store in Europe offering hand made Japanese knives and huge variety of Japanese natural stones.
http://www.catchesidecutlery.com/ - Link to website of Catcheside Cutlery. Will is a great blacksmith from UK. Just check his gallery and you will know what I mean.
http://www.japaneseknifeimports.com/ - Great online store from USA offering big variety of handmade Japanese knives as well as sharpening stones. JKI offer also other services like repairs and sharpening.
http://www.kitchenknifefora.com/ - Internet knife forums. Please visit it to learn more about knives and to meet great people.
http://www.britishblades.com/forums/content.php - Britishblades.com is a forum in which verity of bladesmiths is showing their work. If you want learn how to make a knife or you would like to show what you have made, then British blades is a place for you.