From a Project manager or Configuration Manager's perspective, getting a report on all the locked files is quite a necessity. I did not come across any utility which could give me this functionality. Probably cause it needs to be run on the server side.
Anyways, what you can do is, pass on the following command to your SVN admin guy and ask ask him to send you a report. The default format is pretty messy, so it needs some excel programming to put the text report in a better format.
svnlook lock path_in_repository >D:\locklist.txt
Above command, needs the repository path for which to find the locked files and it will give you the report in a text file at D:
