Yes, this is an overload of information to fill out. The awesome thing: While it is important to get it done, you don't have to do it all at once (you don't, do you?).
I take my time, fill a page out in pencil (erase, write, erase, write), then go over the information in a good, archival-quality pen. Then go back and erase all the pencil marks. Yes, it's a lot of work, but I would rather do that and get it all correct than to use a mess of correction fluid or tape and let people think I wasn't...