My opinion is that these two synthesizer, the
XP-Serie and the Trinity-Serie, have a very
different sound character. The Trinity sounds more like a "live"-Instrument, the Roland sounds more like a "studio"-Instrument. You can create better distorted and warm sounds with the Trinity. But that doesn´t mean that these sounds aren´t brilliant - they are. The Trinity has got very good filters and a better effect-section. The Trinity has got more power when playing with a band because it comes more from the middle. On the other side sounds Roland expensive, too. The XP-Serie has got very good standard-sounds. The possibility to create "new" Synthi-like sounds is easier on a Trinity - and you don´t need to buy an expansion. I think that both Workstations have their character and very good sounds. You don´t need to buy a Trinity only because your friend means that. Bye !