For those in Europe and are interested, several reports are stating a few retailers broke the street date for Mario and Luigi: Dream Team and are selling the game now.
http://www.gonintendo.com/?mode=viewstory&id=207127
Nintendo currently having a special Club Nintendo promotion where you get $30 in eShop store credit for buying and registering both Shin Megami Tensei IV and Fire Emblem Awakening.
The offer is available until August 31.
http://club2.nintendo.com/30/