I think to sort out what you believe in personally, you'd have to read up on various things and see what strikes a chord within your own heart.

In my case I spent many years as an Athiest despite having went to several different Sunday Schools as a child and Summer Bible camps.

As I got older I became more Agnostic and thought maybe there was 'something' in charge, but it was vauge to me.

Then one night I was surfing the radio and happened upon a Christian radio station that was airing a sermon. It struck a chord in my heart in a way nothing else had. I found myself listening to it every night (which for me was WAAAAY out there to do). Eventually I started listening to other sermons on that station, and bought myself a KJV bible to read. Once I deciphered what I believed in my own heart, THEN I went on a church search. Eventually finding a very small, old fashioned Fundamental, Independent Baptist church with a wonderful pastor.

So in my case I don't believe in reincarnation, and never did earlier in life either.