.............I was wondering what kit this is your building and what is the size. Is it a tough build? .......................

Cowboy,
There are a lot of different typed being built and contributing to this thread. I know there are at least 3 of the Quality Fiberglass kits being built, which is what I built. Also, the one you spoke of at the DOGS show must be a Jet Hanger Hobbies C-130 with a 133" wingspan, or one that was built from plans. Several people are building From plans, and a couple are scratch built. Some are Foam construction by Skip Mast Plans. Enrique is building one with a 13' span, and it's a beauty. We got a dukes mixture here.
As far as a tough build, I guess that depends on what you're used to building. I thought the Quality kit was a reasonably difficult build. But compared to what I'm into now, it's making that kit look like an ARF!
Still, I liked the Quality Fiberglass kit, 102" span, foam sheeted wing & stab, fiberglass fuse and vertical stab, fiberglass nacelles. The kit does not come with any wood, so you furnish your own.
I have lots of build pics of mine, should you be interested.
Randy