well i have to say i do n scale i done ho but with the layout i have is a round 950sq feet with out walk waysand growing and under the thing is all my ho track and stuff some how when at the hobby shop a pice or two of ho stuff comes home with me but as for the scale i do it's going to be all n scale with over 90 locos and around 300+ cars and another 40 old e6's at the work bench i need another yard. but i also have two gp50 in that ride on scale for get what scale it is got them from a guy down in ohio for (i'm not telling how much you all would be shocked)