SorrY to be late...I don't really know the trinity, but the karma has a brand new and revolutionnary system , the KARMA system, which offers you incredible possibilities to create music you could'n't play before( a kind of arpeggiator system coupled with midi realtime control and algorythms )
You MUST check it out!
have a look on my page, in english and french about this Red DreaM http://www.techno-id.com/synthes.htm
and here: http://www.sonicstate.com/s.cfm?s=351&t=n

Pierre