Here's a great article on deploying Excel reports in version 10 (KB 949524). It's a pretty deep look at the process including info about setup on MOSS. You'll need customersource access to get to this but the article has a lot of info.
Big thanks to Clinton Weldon at I.B.I.S. for the pointer.
Big thanks to Clinton Weldon at I.B.I.S. for the pointer.