Not sure why you want to replace honey, but I'd replace it with something like corn surgar as mentioned. If you used all brown sugar you'd get more molasses taste than the recipe intended.
I think pound for pound you'd get a slightly stronger beer replacing honey with corn sugar, so you could put less in.
Honey adds 35 gravity points to 1 gal of wort, corn sugar 44
"People should not be afraid of their governments. Governments should be afraid of their people." - V
Secondary: Shady Lord RIS, Water to Barleywine, Pumpkin wine, burnt mead
Kegged: Crappy infected mild
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