I identify with both of them, for different reasons. The reasons are relatively personal (http://clovenbuttercup.livejournal.com/11205.html), so I've linked to meta I've written on it rather than going into it here - I can project on things, sometimes, and that's not what I want to do.
Moony is my favourite character in the fandom, so I mostly prefer stuff that's sympathetic to him if not in his POV; I also feel protective of him, but that may be me projecting. I used to be less fond of Sirius than I am now, but these days would happily read from either POV.
As far as pining goes most of the fic I've read where this is a thing tends to be from Sirius' POV, although not exclusively, and I think I prefer them that way. I don't have a preference on who makes the first move :)
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Moony is my favourite character in the fandom, so I mostly prefer stuff that's sympathetic to him if not in his POV; I also feel protective of him, but that may be me projecting. I used to be less fond of Sirius than I am now, but these days would happily read from either POV.
As far as pining goes most of the fic I've read where this is a thing tends to be from Sirius' POV, although not exclusively, and I think I prefer them that way. I don't have a preference on who makes the first move :)