I'm so sorry to hear that the 2 dumped kittens tested positive for feline leukemia.:( Hopefully it's a false positive and they'll be okay. I'll keep them in my thoughts and prayers.:)
I'm so glad that all 3 of your new kittens are doing so well.:) Since Sunny is so curious and loves to snoop maybe his nickname should be Snoopy.LOL;) More pictures please.:)