I've just posted a refresh of theĀ SlickUpload 5 Release Candidate build. It adds .NET 1.1 support and samples, as well as some small tweaks and fixes. Assuming everything goes smoothly over the next week, this build will be promoted to the final SlickUpload 5.0 RTM build.
Download SlickUpload 5 RC Refresh
For information about what is new in SlickUpload 5, see the original RC announcement.