With the DSi has arrived in Australia, Europe and North America , the new card which compatible with DSi has getting very hot recently , i would like to share my experience with you guys about 4 types of new cards in market . Hope this information will help you to find the one suited you most . 1. As we know, DSi was listed in Japan firstly then the first flash carts- acekard 2 DSi ?AK2i?for DSi came out from acekard team.Through the test , ak2i can well suppot read e-book,watch moive and so on, also received many good feedback . Thereore , acekard team updated their version according to Australia, Europe and the U.S market. 2. As one of biggest manufacturer of flash carts, DSTT Team pushed their new card for dsi - DSTTi into the market later. Thanks to thier speedy speeds of updating kernel and good service , it was more popular than AK2i in Japan. 3. For the third one -EZ Flash Vi , it was developed by EZ Flash team which is a top manufacturer as well 4. Recently, R4i SDHC came out successfully by R4 SDHC Team .Due to the outstanding performance of the earlier R4, making a lot of players have been looking forward to the emergence of R4i. It gains a lot out player's support Hope the above information would be helpful to you . BTW, and I have bought mines from http://www.topdepots.com and it works well.