Japanese Cooking Knives Japanese Kitchen Knives?

Japanese Kitchen Knives? - japanese cooking knives

What makes the Japanese kitchen knife between the value of
$ 300 to more than a thousand dollars for a knife?

I read an article about the kitchen of a cook and
Speaking of knives:

"Personally, I prefer my Japanese steel knives, but there are some excellent quality as well as European knives. For people with large knives recommended budget Hattori (HD or go to the KD series is - more than $ 300 cost knives). The knife above is a picture of a chef's knife 27cm Hattori KD ($ 1,175). "

Can someone tell me why I should buy for $ 300. Knives
When my knife $ 8.00 enough? And finally
For too many years.