Yep, HF is awesome. I really hope it's an HF adaptation. The opening song is so cool~
That said, I wouldn't mind a UBW adaptation as well. The movie didn't make justice to the route, and I have no comments about what the anime did, mixing Fate and UBW.
I wouldn't like an adaptation of the Fate route, though. Whereas HF would be awesome and UBW would be very good, I think Fate only has enough potential for a "good" if done right. That would be such a waste, considering the awesome job they did with Fate Zero.
Oh well, I'll keep close watch about how this is going to unfold. Since FZ was so