I have been granted permission to do an around the room setup in a boathouse. So, the train will be about 8'-10' in the air. The total track distance is about 150'. So, now the debate is O scale or G scale. I want to review several topics. ---- NOISE I'm mostly concerned with how loud the setup is. I want to minimize noise, even though I want the total length of the train to be about 20'. Does O scale or G scale have an advantage in this category? ---- TRACK COSTS From what I've observed, G scale track is much more expensive than O scale track. I'm estimating my track costs for 150' of track to be i nteh $250 ball park. With G Scale I'm estiamting $500+ ---- ENGINE COSTS I find the G scale trains to be less costly, especially when I can get what I truly want for $999 (A 2-8-8-2): 2-8-8-2 Mallet Steam Locomotive The engines from Lionel I like start at $700, but I really want a 2-8-2 or larger. a 2-8-8-2 is preferred but the costs are excessive. ---- CAR COSTS This could be the spoiler. I don't know what to expect for car costs for G scale. COuld someone give me a range (just for simple box cars and the like). Box cars from Lionel can be had for $30-$40 or so. The trick with cars is that I want 20' (maybe 30') of cars. Since G scale is obviously larger, I'd require fewer cars so I might actually spend alot less here. So, what should I expect for car costs? ---- AVAILABILITY OF CARS, LOCOMOTIVES AND DECORATIONS The thing I have noticed is that Lionel is available everywhere. G scale is not as available. In particular, I want flashing railroad crossings for some areas and I know Lionel makes these among other nice little track side treats. The other thing I kinda want is some street lighting. ---- GRADE I took a look. With O scale, I'm probably looking at a 2-3 degree grade. Doable I suppose, but I might have to shorten my track with O scale. So, lets keep this simple. Does either O or G scale have an advantage in terms of pulling power up grades? ---------------- I'm being pulled away for a game of scrabble. I will try to check comments later on. I might have missed some talking points.