I dont think it´s fair to say the ds isn´t a console.
1- it has traditional buttons (the same amount snes had) besides the touchscreen
2- games with n64 quality (mario 64 comes to mind),
*and it also has exclusive games like other consoles.
So to me if someone says it isn´t a console because of horse power then by that logic no console before n64 was a console.
I think it´s dumb to not think it is a console. So are 3ds or psp not consoles either?
edit: it defenitely isnt a computer, cellphone, or mp3 player so if it isnt a console I dont know what it is