Congrats. I love free villagers! Also, I let Lolly pick her spot before I was worried about plot resetting in my town, and I think I like her house placement best of all.
I'm so happy for you! It's so nice to get a villager you like and in a place you like. I don't do the plot-resetting thing because it sounds so time-consuming, plus I usually have all the mule characters I can, anyway, for all my junk and patterns.
I am not a fan of kangaroos much, but I don't mind them. I had Marcie once and I found her cute. Plus her cradle and her joey were really adorable. I should have tried harder to get Astrid to move in from one of my camp sites. I'll bet kangaroos would have grown on me. Plus, when I saw Marcie on my Main Street I had fond memories of visiting her.
Their joeys are, well, yes, they are adorable (when they're not making expressions), freaking terrifying when they imitate every single facial expression of their mother's exactly. o_o...