Great grooving -- dynamic, fat and tight. There seemed to be a tiny mishap at 1:28, when the bass drum rushes just enough to disjoint the feel for a second. Another one happened at 2:25, but this time it goes on the draggin' side. These are of course minor quibbles, and I'm sure you're aware of these as well. You could try going for a more laid back feel for this track. The harmony and melody move at a relaxed pace, and your forward moving groove seems to contradict them somewhat. You could also make more dynamic variations within the song form. You kept a steady dynamic throughout the song, which might get boring after a while.
I would have liked to hear a bigger variety of fills, rhythms and orchestrations. If I'm not mistaken, 90% of the fills went RLRLRL with the last R on the rack tom. Explore the possibilities of the sticking, and don't be shy to break away from the groove with different rhythms, stickings and orchestrations.