Right now I'm loving P's V's, N's and W's and not just as a starting letter but really any where in the name. I'm really crushing on:
Appoline, Philippa, Penelope, Perseus, Peter, Crispin.....
Vivienne, Vivia, Valentine, Vera, Vincent, Eve, Nova, Aviva, Evangeline......
Noah, Noa, Noe, Noemie, Nola, Nora, Nova, Hannah, Penn, Penna, Anna
Winslow, Walter, Wallace, Winifred, Willa, Willow, Harlow.....
I'm sure there's more I just can't think of them right now
I tend to love L names:
Livia, Lena, Lila, Levi, Lark, Locke
And E names:
Eleanor, Emmeline, Eugenie, Estelle, Emmett, Elias
J and M are my favorite letters, with W and V for guilty pleasures (Waldo, Winifred, Vesper, Valentine...).
Right now I'm really loving A names:
Ariel (for a boy)
Astra (I wish this were usable, but I can't in good conscience give a child a name beginning with As-)
I'm also crushing on names with strong 'a' sounds, like Rainer and Gabriel.
And the E's:
And names with strong 'e' sounds like Cordelia, Thea, and Felix.