I don't use my iPad for anything serious enough to justify that much storage. At most I use it for sending emails, creating a smaller document, and browsing the web. I only really listen to music when I'm working and for that I'm usually around wifi so streaming is a viable option as well as storing my documents in the cloud which are then synced back to my computer at home. If I know I'll be somewhere without reliable internet I keep around an iPod touch for such occasions. I only load TV shows and movies for when I travel and leave ample room for that if necessary. For anything that requires manipulating or organizing large files I use a laptop or better yet a desktop.
But only you know if you need that much space, if you store huge amounts of files locally or have a large media collection I'd say such a capacity is justified. Although it is your money and your decision so nobody on this forum is really in a position to tell you what to do. Another thing to consider is if you will be using it as your primary device or not. I got my mom a 64gb iPad 3 a while back since she would be using it to replace her ancient, disposable black Friday laptop.
But only you know if you need that much space, if you store huge amounts of files locally or have a large media collection I'd say such a capacity is justified. Although it is your money and your decision so nobody on this forum is really in a position to tell you what to do. Another thing to consider is if you will be using it as your primary device or not. I got my mom a 64gb iPad 3 a while back since she would be using it to replace her ancient, disposable black Friday laptop.