I'm a drummer and I've always struggled with getting good raw drum sounds. Until very recently, I always made the mistake of rolling off too much low end on my overhead mics. I think that may be the case here. Since you're only using one mic, and the drum set (as a whole) spans the entire frequency spectrum, you have to think even harder about EQ moves. By rolling off the lows, the kick drum becomes very distant sounding; no weight or impact. The snare and cymbals hijack the overall balance. I've actually had a lot of success with a mono "kit" mic in FRONT of the drums, waist high, about 3 feet from the bass drum, with the diaphragm of the mic pointed right at the belly and of the drummer. For a single source mic (in my environment) that seems to get the best tonal balance. Otherwise, I think you're on the right track. Hope that helps.