Anderton
Actually that's something I've suggested - having what I call "play markers" where you could create a list of the markers and SONAR would jump to them as appropriate. The problem is having a totally gapless transition among the various sections.
Yes Sir, it cannot be truly gapless in case of lots of clips and tracks present. But user can get a fair amount of idea how will the arrangement would be. We can also provide an intermediate option of rendering to a stereo track if the user wants to listen gapless. Once the user is satisfied final rearrangement can be done, may be an automated feature.
Regards