Man that's fantastic! Really, that's terrific, I wish I had more to say
I know the feeling you're talking about - the feeling of sureness that what you want is definitely going to happen, it's awesome, though I've never tried manifesting anything big like that. I'm interested to hear about the "little things" you manifested beforehand (eg the stuff you conjured up when you were just experimenting and getting a feel for it), and if you're familiar with what Steve calls the "alpha" and "beta reflections", how they showed themselves (if at all).