they not gona add more sounds to your keyboard so to say but give you a different type of synthisis. The an plg board VA plg board and it will give ya the analog sound. You have alot of the sounds that are in the plg va board in your motif already. the sound might sound just alil different to the ear. Those who really love the analog sound over digital would want to get this board. plus its a good way to harness a nother keyboard inside of your main keyboard. All plg boards or for the most part the two you have name are one part boards so that means you will only beat able to use one sound in a seq. 5 notes of poly on the an plg board. Do some more reseach on it just to be sure if you want it. Just to let ya know if you are looking for a an board i will sale you mines with sample voice lib for your motif(codex,vintage keyz,motronix,synth basics, the for the plg board REGENERATOR) ill sale all this for 180 dollars. Holla back or just do a search find out if this bear is for you buying off me or just a good old store first.
