Waldorf Pulse.
Its analogue baby, and it sounds like a monster. An analogue monster. A speaker-cone ripping bass tone that a lot of people regard very highly.
It does leads too, and makes delightful sequence noises, too.
Google for an mp3 called seq1.mp3, it shows it off quite well. There's also a demo at
www.vengeance-sound.de showing off its more `trancier` side.