I've been playing and GMing Traveller since the original 3-book boxed set hit the UK. The lid of the box with the Beowulf Mayday looked intriguing, so I bought it.

Since then, I've tried all the versions, got a library of dead trees (mostly now in storage, alas) but Classic remains my favourite.

I've written reams of houserules (literally, like a couple of lever arch files), so yeah, I'm a Traveller fan. :)