Eclipse Specfile Editor has been able to import source rpms for ages. But there was a small inconvenience - it was working only for local files. Not any more.
Give the import wizard your URL and watch it downloading the src.rpm file and setting up a project for you.
How much easier you want it to be to start doing Fedora revews. Try it now from our nightly build site and help us reduce the pending package reviews in Fedora.