I think notty would do better with 'feeding' more honey later, if needed, than pounding it with 1.100 or higher OG.
i've done many meads with S-33 from Fermentis, and it'll hit 13% before it tanks.
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