He's gorgeous Jann; he looks relaxed, bright, alert and happy! I have a huge soft spot for igunas (prior to my Lucy they were the only reptiles I have had). When I was a teenager I had one named Spaz that was free-ranged and he would come and sleep above my head on my pillow every night! Piper...
I bought a (very, very lightly) used Monsoon for $40 off of Craigslist and it only lasted a month; when I went to fill it one day the filling area leaked and fried the motherboard out. I wish I had just put the $ towards a Mist King or Climist in the first place; lesson learned!
I'm still pretty new to chameleons myself, but when I was first setting up my girl I read opinions on here for both sides in different threads.
I think it would really depend on how you feed your cham; if the enclosure is too big and you free range the feeders a baby might have a harder time...
My veiled, Lucy, is from Petco and I really, really lucked out with her. She is strong and healthy without any signs of MBD, even after her first clutch. I did researrch and change pretty much everything that the Petco employee told me when I first got her. She was a bit bigger when I got her...
I made and used one similar to this for a while, only I had it oriented upright and it wasn't as neat/pretty in design (made out of an unused urinal bottle from hospice). It worked great though! I like the idea of a trough, especially where Lucy, like most chams, is way more into stalking prey...