There are a lot of great games coming, and already out for the 3DS.
Currently I am enjoying
Animal Crossing (ofc)
Fire Emblem (amazing graphics)
and Mario 3D land was fun as well
Some up and coming games that seem to be very promising are
Pokemon X&Y (ofc)
and Super Smash Bros 3DS
To say one only buys a 3DS for Pokemon when there is such a great lineup for games for this platform is pretty silly.