I have a Tyros recently and have used the Korg i5m in the past.I have really missed the ability to edit the chords after a recording on the tyros style on the tyros seqencer.(ie to fix up gliches and slips and chords that were a little late etc)Fixing these was a breeze on the I5m.I am really mentioning this because I hope someone from Yamaha are reading this and will include this feature in an upgrade sometime.I do all my recording on the keyboard sequencer and this has gone fine on the Tyros sequencer so far.:)