We did the moderate version of the hike and it was pretty damn awesome.
We had a newer guy named Scott and he was great. Picked us up on time, on the drive out he was telling us about the area and answering any questions we had. He was pointing out things around us as we were driving and was pretty informative about the area. We told him we were pretty newbish and he was totally accommodating. He was a great judge of what we could and couldn't do and would increase depending on what we had done to give us a challenge and make it really fun. Scott was a great judge of what we would be able to do.
Scott was telling us all about the flora and fauna out there and showing us anything he could. Unfortunately, we didn't see any sheep....damn sheep, right Scott?!...but in all it was great. Tarantula mating season sounds scary, but we didn't see a single one....thankfully.
The area itself, Valley of Fire, is gorgeous. Go off the main trail a little and you just stop and hear nothing at all. Glorious silence. The heat wasn't too bad and there are plenty of shady crags to stop and cool off if you're feeling it.
I would completely recommend this for anyone. 100%