OlafS3; all understandable and valid points

Im no coder or hardware guy, so out of curiosity, what are the implications of;
"Regarding RTG, I think adding RTG to all the next card would be good.
With RTG and enough Mips Amiga will make a big jump in usability..."
Quoted Biggun on thread post #9.
I have Indivision in my A1200, and would the RTG part of the future Vipercard affect this?
That aside, any other info regarding your thoughts of performance of RTG?
I realise its just something you are thinking about, so nothing is decided/set in stone.