Even though it is regarding iOS I wanted to bring it up as Caustic gets out as the winner even though it is being much cheaper.
Plus that Korg Gadget is releasing the app on MAC's now and it is crazy expensive- 200$ introductory price then 300$! Yes Caustic for PC costs...
It is also nice to read a lot of good points about Caustic and one thing that always sticks out is that the Caustic developer is only one person doing something that is comparable to what a giant coperation is working on.
To read the Audiobus Forum thread go here:
This is the Caustic Forum thread which is not too long now but a small discussion on what is being said in the Audiobus one: