"The body of true believers, called the Bride of Christ in Scripture, is unified and Scripture is authoritative.Amen sister!
Comprehensive doctrinal unity has never been realized, but both sola Scriptura and sola ecclesia have produced unity to a limited scope. But the essential unity of the Spirit (Eph. 4:3) is what only those in the body of Christ can realize, which is greater than their differences as they walk in that Spirit.
This was the subject of a recent debate: http://www.freerepublic.com/focus/f-religion/2992144/posts?page=392#392