What Can I Salvage From This Bulk Lot of 1980's Lego Trains?

It's about time we had some trains up in here. Or at least, a train. More to follow. Chapters: 0:00 Unpacking the Box 3:13 Surveying the Spoils 4:10 Extra Parts Purchased 5:00 Constructing the Track (timelapse) 5:10 Track Overview & Future Plans 6:53 7730 Electric Goods Train 9:01 7814 Breakdown Crane 11:24 Locomotive Reveal 12:17 Motor Test Run 12:57 The Brick's Maiden Voyage 13:41 Running Footage 15:30 Outro (& more running footage) Running Footage Music:    • Opening Movie - Eek! The Cat      • Opening Theme [Series 1] (Percy Runs Away ...