Superior Drummer 2.0 has a revamped interface and loads of new sample libraries.

FOR: Songwriters, producers and even drummers. Superior Drummer 2.0 has improved load times, dynamic and EQ controls, ADSR for sample-playback shaping and compatibility with Toontrack EZdrummer libraries, making it as straightforward or as in-depth as needed. Add the Music City USA SDX expansion for 20GB of pristine drum samples recorded in Nashville by drummer Harry Stinson and engineer Chuck Ainlay. Hearing hi-hats gradually loosen as a song ramps up to a section change or the occasional ghost note on the snare drum adds realism to the metronomic MIDI playback.
NOT FOR: The MIDI-impaired.

–Dave Jones

http://www.toontrack.com/