Just to clarify what you are asking - if you have multiple Excel workbooks to import that are pretty much identical in structure, you would like to be able to say 'for all of these files, import the sheet called 'Mfg Line 1' or something like that?
Exactly. When importing the data from many xls / xlsx / csv files, I would like to could specify which worksheets to import. Specify it in menu or jsl by their names or number if their names differ.