It sounds like a nice, tasty simple recipe. I think you may get down below 1.020...true, the Wheat DME has more unfermentables than regular DME, but the honey is 100% fermentable...you should end up in the 1.0'teens and between 8 and 8.5%.
Packaged: Red X Weimea SMaSH
Recent Meads: Mead Day '11 Ginger Metheglin, Mead Day '12 Traditional (orange blossom) Mead, Simple Cyser '12
Secondary: Why do I keep this line here...?
Bulk Aging: Cocobochet, Wild Cider, Simple Cyser
Planned: Hop Metheglin #3 (NZ hops), Trad. Gesho T'ej