Being absent for several days, I feel saddened that I was unable to take part further in the discussion on Heavens Feel. Reciting what others have said, we could debate and discuss the moral implications of Heavens Feel compared to other arcs, but no converting will ever take place. HF was a wonderful conclusion to Fate Stay Night.
My desired to defend HF has waned due to my absence, but yet the tale doesn't need to be defended. It's a mature, gritty take on the concepts of being a hero and asks a question that all of us have to tackle at one point in our lives:
Just how far are you willing to go, for tomorrow?
Through my searchings, I have found a wonderful review of HF. It does a great job at defending the moral standings in the story and also drives home the message that Heavens Feel was meant to be a mature tie-in for all the loose ends in the story. Fans of HF will want to read this.
Indepth review or Heaven's Feel
Also, fans of Heavens Feel will want to play the
doujin game by Werk titled
Battle Moons Wars 1-4. I had a chance to play it recently and liked it because it brought just about every Type-Moon character together into one grand adventure. Also, it runs with Heavens Feel as the "canon" ending for Fate Stay Night, so you get further progression between Shirou and Sakura. Here is the link for that.
Battle Moon Wars 1-4