I can't be the only one who uses the multi-process ability to it's fullest, and it would help a TON of the preview Mode would show way more info for the current line or layer.
1) Head1 / Head 2 Temp
2) Bed Temp
3) Fan speed,
4) Retraction Speed (duplicate displays if it's a side-by-side process print)
5) special Gcode triggers (like Pauses or something)