Apologies if this has been answered before, I couldn't find a post with this exact question. I was thinking of getting a X2GS SE, when ordering you can choose between "Default Dream Present" and "SC55 Appiah4 v4.5" for the GS Sound Preset. I read that the GS Sound Preset is 16mbyte read only. Does this mean I cannot switch between "Default Dream Present" and "SC55 Appiah4 v4.5"?