Apple won't say anything about new iPad until they are ready. Everything else you are hearing is speculation and rumors. Some of it is based on leaks, and might be true. However, unlike leaks about what products Apple might be working on, a lack of leaks proves nothing.
Apple's history of secrecy has spawned a never ending supply of rumors, often presented as news or facts. Welcome to the Apple world of non-news. Believe nothing until it's announced 'by Apple' or better yet, for sale.