I have the same situation. All of my nice trains are sitting in boxes. Been buying track for the new layout, but have a lot more to buy. In the mean time, I have been thinking of building my roundhouse area.
I love UP steam. I own mostly that. From time to time I'll pull them out of the boxes and stare at them. Day dream of when I can watch my Big Boys/Challengers pull all my reefers or watch my H7 pull coal cars. Or how about an FEF pulling scale cars around wide radius curves?
Anyway, I really enjoyed the pictures!
Well if you're buying Atlas O track I probably just beat you to Robert's sale of 40" Straights on the for sale forum.
I've thought about the new Legacy H7 why don't you post some pictures here. I'd like to see some close up.