401k, Any good?

Hey, I hear about these in trades and other things but never how good they are, are any good in your opinion?

Any help appreciated,

Evan

I have tried one,I dont like the feel of starburts on a metal,but some people do.

I like them. You can always put pads over the star busts. But the California is the Same yo-yo except with a different response and with stacks