Ya, just a little "heavy"! jk, he is gorgeus!
As for the pup, IMO, she is pure bred.
Akita's are one of those breeds that the show quaility stock look totally different from the pet stock. (look at my PB aussie for example! totally different from a show quality aussie) if you ask me, your pup is probably the equivalent of one of those "i have an akita, you have an akita, lets breed them!" type breedings. she is prob pure akita, just not the well-bred akita you are used to seeing. she is absolutly beautiful, none the less!
as far as personality/behaivor go, akitas are just as trainable as any other breed, don't let anyone tell you otherwise! yes, they may have DIFFERENT issues that need to be worked on, but you seem on the right track with the classes. for example, a lab or aussie or golden or the like may have serious issues with the figure 8 (in competetive obedience, a dog is asked to weave between two people in heel position with the handler.) because they want to say hello to every single person they come across. with an akita, you don't really have to worry about that but you may have to worry about the stand for exam (self explanitory) because an akita may not want a stranger walking up and poking him, with mom 8 feet away (maybe 6', can't remeber!)
so good luck with this gorgeus girl, i hope i have helped a little. i think there are some ok pictures of Bailey (my akita mix) in his paw print-take a look.
Leah