Barnea Selavan of Foundation Stone left a comment on my original post about Eilat Mazar’s recent announcment. Here it is in full.
The upper parts of these walls were indeed visible. What is new is a) dated because of the pottery found under the flowing, b) these were shown to connect to other walls and gates Eilat herself excavated over 20 years ago, and c) some structures whose upper sections were visible were also proven to be part of this complex, making it huge, and d) doubling or more the height of walls whose upper section was known, down to bedrock, 6 meters high, e) clarifying that no earlier structures were extant in this vicinity, which has consequences in identifying where the earlier periods were, and what the extent was of additions of this builder, whom she says is Solomon, and f) identifying some later Second Temple period structures built into the earlier ones, and excavations in the bedrock; apparently Herodian.
Yours
Barnea Levi Selavan
I look forward to the published reports. No doubt many are especially curious to see the details of the ceramics report, including where the LMLK handles were found, and how exactly the bedrock relates to finds.
Update: Check out Barnea’s new comment on this post.
Bible, Archaeology, and Travel with Luke Chandler 
Luke,
LMKH handles, and dozens of seals with names were found, above the flooring. Eliat says the onomasticon of the period will be expanded, and she has not yet had time to check if any appear in the Bible. There were also bones from kosher animals.
She did say that wet sifting produces 70% more finds.
This is not what determines the date of the building, which is installed into bedrock. that must be made clear.
People will want to see the pottery to check if they agree with the typology she is saying is 9-10th century, but definitely earlier than 8th century BCE.
BLS