Ancestry adds Suffolk, England, Extracted Church of England Parish Records, 1538-1850

The 151,071 Suffolk records listed, not just parish records, are picked from a variety of sources. As such it is best used as a finding aid to more authoritative sources. 
Aside from about 1,000 16th and 17th century records for Dunwich records for the coastal strip are absent.

 These are "also searchable as part of a larger collection of related databases" which may have been previously available on Ancestry.