I think the Elven tongues are very enchanting, though Sindarin seems more practical than Quenya if you're living in ME, so I chose Sindarin, besides, the Sindar population is much larger than the High Elvens, and it's used everywhere.
My next choice would have been Entish, though. You know how much I love plants. Well, I guess trees aren't quite the same, but still, they make things grow, don't they? Perhaps there is a spell in Entish that affects plants in general... Oh dear, do I sound like Poison Ivy??? But, like Grondy, I don't think the pronounciation would quite work for me. I am rather unused to mumbling and growling.