I'm not going to try and make the argument that OV is not as valuable as Giroux in your format. Obviously OV has the potential to consistently outscore and outpoint yadayadayada Giroux. However, I made a move in my league this year that sent Kovalchuk for Kesler because of Kesler's ability to put up numbers in multiple categories. That has not turned out to be the best move, and now I'm in a position where I am actually considering moving Kesler out so that I can keep guys like Couture next year. Whereas I would have never thought to keep Couture over Kovalchuk (even last year when Kovalchuk had a mediocre season).
Enough with my issues, what I'm trying to say is that don't forget that goals and assists are almost always the most important stats in fantasy hockey, and even if a player is not contributing as well as you'd like in other cats, emphasis should be placed on acquiring players that put up the big points. If they put up the points, they get more opportunity to put up the other stats as well as they usually play big minutes, and are leaned on in OT situations for GWG etc.
In summary, after all the rambling, although Giroux might not put up some numbers you might get with OV, I think Giroux is the much stronger overall player right now and he's going to a beast in fantasy for years to come. I'm worried about OV, and all signs point to Washington continuing to play a more conservative game...whereas Philly obviously is looking more run and gun, especially if Bryz keeps this up. But given your statistical categories, OV is probably still the better choice, but I don't know by how much.
Food for thought...and I'm a huge Giroux fan and not at all an OV fan so I'm definitely biased
16-team Keeper, Keep 7
Cats: G, A, P, +/-, BS, PIM, PPG, PPA, PPP, SHP, GWG, SOG, W, L, GAA, SV%, SHO
C: Giroux (RW), Shore, Fisher, Schwartz
LW: Couture (C), Benn (C), Killorn (C), Malone
RW: Yakupov, Voracek, Clowe (LW), Downie (LW), Vrbata, Hornqvist, Callahan
D: Schultz, Gudas, Gardiner, Kindl, Trouba, Ballard
G: Rask, Emery, Lehner, Lack