Well it seems that the guys over at Germany and Sweden have sorted out all ( so far) bugs , not ready for a live gig as yet , but heavy home testing has shown no quirks , I paid for the upgrade , that covers me for future beta releases and the full alpha when finished , if fact all the versions up to Ultramixer 5 , if there is one.
Demo available from.
http://www.ultramixer.com/download.html ( under additional downloads)
Daryll