The s900 sounds and styles put the tyros 1 away. I love the fact that the s900 is even lighter than tyros 1 .. 11.5kg im sure the missing t2 styles can be found on the net and played on s900. The only thing that does concern me is that t2 and even my old t1 had live drumkits. S900 does not. But s900 styles have more megavoices in the styles than t1. And i think s900 has mega voices in the multi pads which t1 did not