The PS360 MIDI Drummer is not a single product but a solution. It is highly effective for its intended purpose (game performance) but requires technical understanding to set up. It has seen a renaissance due to the Clone Hero (PC) community.
Unlike Kontakt-based drum libraries that eat up RAM, PS360 uses efficient sample streaming and synthesis layering. The included sound library is punchy and genre-appropriate (rock, pop, hip-hop, EDM, lo-fi), but you can also load your own WAVs (drag-and-drop supported). No massive 50GB installs. Ps360 Midi Drummer