The first, Dai Makaimura (Ghouls 'n Ghosts), was added to the Japanese Wii Shop Channel early last year, while the second, Battle Ace, will be hitting the (as of now Japan-only) "PC Engine Archives" section of PSN sometime next week.
Yawn ... wake me when 1941 and Aldynes are available, will ya?
It'll be interesting to see how many PSP and PS3 owners buy Battle Ace, considering it's widely believed to be the SuperGrafx' worst title.
(Via andriasang.com)