As attracted as I am to the Catholic Church, and as much as the encroaching liberalism in the Protestant world has been goading me toward the Catholic Church, I simply cannot get past the Marian doctrines. I have stated elsewhere on this forum why and how I believe the Marian doctrines developed.
Can't buy it. From a logical standpoint, a Scriptural standpoint, and a standpoint of basic reason, the Marian doctrines just don't add up.
Then this article is for you. Also check out Tim Staples on Mary: TIM STAPLES - Catholic Audio CD, Tapes, DVD and Videos
My wife, then Baptist, decided to go to a Tim Staples seminar and got his books. It looked over the top for her: not enough direct "pray thee to Mary for thy salvation or perish" prooftext. But that gave her the knowledge of the scriptural basis of mariology, - the notion that it was all an artifact of the Medieval Church no longer held. Then, I showed her how both the Real Presence and Mary as first Eve were with the Early Church from at least as early as St. Justin Martyr. Finally, I showed her what exactly the Catechism says about Mary and her role in the Redemption and it looked completely reasonable and patristic to her. That was, pretty much how her conversion happened.
She had a problem with the repetitiveness of the Rosary too, also addressed in the article.
So much of what passes for protestantism in the US is either liberalism (unbelief -- "mainstream" religion) or pietism (one's personal experiences are the hub of the universe, and our highest calling is to spiral into our navels.) Despite all my disagreements with the RCC, I have to admit that they do offer a full-orbed all-encompassing vision of the Christian life.
However, they are not the only game in town. A perspective that might be called "Calvinism on steroids" has pretty well cornered the Protestant market on Biblical worldview thinking and writing over the last 40 years.