In reply to Chris Cookson:
I'm a long-time Trangia user, and a fan.
My advice would be not to bother about the Ti stuff, unless you're REALLY counting the grams (in which case you'd already bought yourself a pocket rocket). Cooking on Ti is shit, as it doesn't really distribute heat as well as aluminium.
I have a duosal pot and a non-stick frypan. Duosal is not non-stick, but I find that non-stick only really matters in the frypan anyway.
Leave the black stains on the underside - they reduce cooking time, especially on the kettle.
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