i'm still not sure the honey or vanilla will come through the molasses.
you might wanna scale this down to a 1 gallon batch to make sure it doesn't taste aweful.
i would also go with 71-B yeast, over ale yeast. its THE hot mead yeast lately.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10