The grace thing is the biggest one. One must first understand grace to understand salvation by grace. From Luther onward the meaning of Grace was obfuscated intentionally.
>>The Protestant concept of grace actually has very little to do with the Bible. Read this thread.
http://www.freerepublic.com/focus/f-religion/2826044/posts
Thats a complex article for this hour of the evening....
But yes you and I are in agreement on your statement of the new concept of grace having little to do with scripture.