Not sure if this idea has already arrived here. I know this could be very hard to implement, but I think it would be nice to have the sample waveform as background image, just beneath the track data. It could be useful to see a draw of the waveforms (in a vertical set of course), specially on those tracks where you trigger long samples.
This idea is like a mixture between an horizontal sample arranger and the usual vertical pattern style of Renoise.
I thought it might be usefull to have have an envelope set itself to the same length as the sample.
not quite the same but it has additional uses, as well as representing some degree of positional info.