http://www.nintendo.co.jp/fe/wifi_battle/battle.html
WiFi looks alot better than I thought it would!
Another thing. In the prologue, you have to kill one of your own characters. You can never get him back.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS