You will have more flexibility (i.e. being able to lock a single cell,
rather that just a Section of a document), if you insert and Excel
spreadsheet into the document. Other than when you are actually working in
the "table" (e.g. when the document is printed) it can be made to appear no
different from a Word table.
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Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.
Doug Robbins - Word MVP