Buying Doug's kit has been helpful in several ways for me.

1. When I want something very small and light for skiing, putting in a glove box, etc., it's perfect.

2. It's a good starter kit that will get you thinking.

3. It's great for Christmas presents for friends/family to get them thinking...

I have more extensive kits I put together, and half the fun is obsessing over them.... <img src="/images/graemlins/grin.gif" alt="" />