Glad to hear you got the thumbs up from the vet. Excellent! I find it strange that it "killed" its cagemate. I've seen savs cohabit quite well.
I, personally, have never owned exanthematicus, but all varanids grow quite quickly when fed a proper diet and housed properly.
I'll show you a pic of my Ornate monitor, at 2 yrs. old, with the deli cup I brought him home in at 3 weeks of age next to him.
[IMG][/IMG]
Chris