I somehow missed reading this particular line: "It is a well kept secret by Canon that the majority of the Megatank printers run with pretty weak performing inks for the longevity, only the G550/650 models with the GI-53 inks stand out."
I'm glad to see the printer that arrives tomorrow (G650)...
This has been absolutely fascinating reading - thank you very much! I need to go read it again though :) I'm trying to find out if I can use the GI-50 CMY ink in a G650 printer that uses the GI-53 CMY ink (I know the GI-50 Black is pigment whereas the GI-53 Black is dye, as well as having grey...