One of those 6000 posts was from me, about two weeks ago. I reworked an example given in the LabVIEW Example Finder using the Report Generator Toolkit, absolutely no ActiveX. The trick is to not use Excel templates, but to simply open an Excel report, write the data, then save the Report with the Excel name you want to use and close Excel. I'll try to paste a link here ...
http://forums.ni.com/t5/LabVIEW/Revised-quot-Generate-Excel-Report-quot-Example/m-p/2699083#M801667