R4i Revolution SDHC Upgrade replaces R4i Revolution SDHC. It has greater games compitablility and lower price.
http://www.epidigit.com/ds-flashcard/r4i-revolution-sdhc-for-nds-dsl-dsi.html
The official web site is http://www.r4i-sdhc.com/
Supercard DS Onei Mini also replaces Supercard DS Onei while still has the same functions with Supercard DS Onei.
http://www.epidigit.com/ds-flashcard/supercard-ds-onei-mini-for-nds-dsl-dsi-dsi-xl.html
See more at http://eng.supercard.sc/news/DSONEi_Mini.htm and http://eng.supercard.sc/manual/dsone/evolution/
