3rd gen. Their innovations literally gave birth to the 2nd coming of vidyagames.
2nd I'd have to say 6th gen in terms of software innovation and the DS.
7th gen comes in 3rd for me.
EDIT:Wait DS is 7th gen?
http://gamrconnect.vgchartz.com/profile/92109/nintendopie/ Nintendopie Was obviously right and I was obviously wrong. I will forever be a lesser being than them. (6/16/13)