Epson R800 ink prices
Check out rjettek.com 1-800-688-0129 ~$12/pint CYMB
http://rjettek.com/ Ask for Linda Hunt. They are the sole distributor for OCP inks from Germany.
Check out Precision Colors http://home.eol.ca/~mikling/ 1-416-637-6926
These 2 sources are highly regarded by members of this site and the inkjet forum site:
good luck irv weiner