Rick, what they said about a consistent form and anchor point is exactly right. Take a look at Terry's form clock in the Shooter's Forum. He gives a great visual for what a proper form looks like. Don't be afraid to post a video of yourself for some constructive criticism.
You also need to make sure you don't torque the string. You must have a relaxed string hand. Too much tension will make it impossible to get good arrow flight.
Now, regarding your point of impact vs your point of aim, a fletched arrow with a field tip is going to go where you aim it, regardless of whether the spine is right or not. An incorrectly spined arrow, or having the wrong nock height, will cause the arrow to wobble, but it will still go where you aim it. You can shoot a wide variety of spines out of the same bow and still get a good group. They may not all fly correctly, but they'll all still go where you aim them. You can, however get so far off in spine or get your nock point so low, that the arrow will hit the riser. You'll hear a click and then all bets are off on the accuracy. Of course, at longer distances, the heavier the arrow, the more drop you'll have.
When you add a broadhead, or shoot a bareshaft, your tuning, or lack of it, is revealed. Take a look at this link:
http://www.acsbows.com/bowtuning.html and educate yourself. There is a lot of good information there. There are other good methods, like paper tuning, that work just as well.
At this point, I think you're setup will be close enough that you can concentrate on developing a good form, a good release, and getting your eye accustomed to the arrow flight. You can always fine tune later. In fact, I'd just cut those 2219s to 32", put on some 145 grain field points and start shooting. I'd wait to get broadheads, until you are sure of what you'll need. You might find that you need a form change and end up changing your draw length.
Keep us posted as to how things go for you. Put in the time and you'll be ready to hunt in no time. Don't rush it, though. This is a lifelong pursuit and you'll save yourself a lot of headache by developing good habits early on.