You can't buy direct from Canon in Australia, but you can go to a Canon parts dealer. Even allowing for benefits for the exchange rate at the moment, I think freight from overseas will be prohibitive compared to buying locally. What state are you in, I may be able to recommend someone local to...
Personally, I think the biggest problem will be the paper - I have had fading issues on Kodak paper, which is a pity 'cos it gives lovely prints when they're fresh - I do NOT have problems with the same ink on Canon PR101 paper. Kodak paper also gave some terrible colour shifts with both...
Wouldn't an 'anti-fog' cleaner be leaving something on the glass to stop the glass from fogging from steam, etc?? I'd have thought that would be a bad thing on your printhead
Cheers,
Stuart