Hey, thanks again!
The Slann was an on-again-off-again project than spanned almost six years - I did each major component (throne/frog/base) separately. If I had to estimate, I'd say he didn't take longer than 20 hours total, possibly less since I primary used a controlled dry brush to paint him.
The TG are hard to estimate too. I started with the skin and scales, which when really fast since I was able to base coat wit the GW spray gun and then wash/dry brush the whole unit at once. It's the details of these models that is the real time suck. I also built them with the little jaw bone pieces that attach to the sides of their helmets, making them harder to paint - I know why so many other people skip these parts! I don't get too much time to paint so it took me a couple of months to finish the unit, discounting the couple of long breaks I took.