Grim Views

This was a cool addon that I used to help go from pitiful dps to merely mockworthy dps. It would show the gap between a GCD or a spell cast ending and the next cast beginning. It helped me get a real feel for my latency and the sensitivity of the spell queue. Sadly, it hasn't been updated in yonks. Does anyone know of something current that has similar functionality?

I think quartz is the main one people use for that. Or are you looking for something lighter? It's pretty configurable from what I remember when I used it.

Not a cast bar replacement, just an text pop-up a la Mik's that gives the time difference. (( I use gnosis, by the way, because I can configure the direction of the target cast bar to be the other direction from mine. ))