Aikido3D is a good reference tool but I would suggest that its a more of a supplement to dojo training.
There are some great details in the descriptions and the ability to move the point of view, to remove the hakama of uke and nage (tori) or to vary the speed of the technique make it a good tool.
That said, you really need a partner to train and you won't get the kind of feedback you would in the dojo from a qualified instructor.
I've been using the program virtually since its release and find the most value in being able to review technqiues I've already practiced many times in class.
Where I would potentially see a lot of value for a new student would be in the demonstration of techniques with the associated nomenclature. It will certainly give you a good primer in terms of the japanese terms for the techniques.
Best of luck.