Quality, popularity and Sales wise defenetely Korg, they own most of the market but there is other things to it.
And i dont think its fair to put Wersi and Liontracs into this list, they are different worlds.

[This message has been edited by Nedim (edited 09-21-2010).]
_________________________
Cubase 8.5 Pro. Windows 7 X64. ASUS SaberTooth X99. Intel I7 5820K. ASUS GTX 960 Strix OC 2GB. 4x8 GB G.SKILL.
2 850 PRO 256GB SSDs. 1 850 EVO 1TB SSD. Acustica: Nebula Server 3 Ultimate, Murano, Magenta 3, Navy, Titanium.