The guys who make Bone Suckin' BBQ sauce make a nice spicy sweet mustard. It's a bit on the thin side as far as the consistency goes though.

And there's a local Alaskan company up here that makes a whole variety of mustards under the catchy brand name of Moosetard.
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"Returning hate for hate multiplies hate, adding deeper darkness to a night already devoid of stars." - Martin Luther King, Jr.