NO SPOILERS given ... just stating my own opinion.
Oh good - phew - and at the same time:

*puts fingers ostentatiously in ears, closes eyes, and sings lalalalalalalallalalalalalala very loudly*

I don't really want to get that deeply into HP (or any other programme/book) before I've read/watched it. I end up reading/watching something with all the speculation in mind rather than just enjoying it for the gorgeous story, which is what I love about reading/watching in the first place! So - please no more! *g*

*g*