Be careful it is addictive. And expensive.
Too late I recon - it's already got me looking.
So what is a half decent unit that's not going to cost the earth but will actually do something worthwhile? Occasional use, not dedicated dectorist stuff.
We have a a number of Hultafors Outdoor Knives with Firesteels
You can see more details here in this thread OUTDOOR KNIVES
The price is £27 and you can pay via the paypal button below.