Spent some time this morning poking around inside the Fedora box I built on Friday. Overall, I'd say it's pretty similar to RedHat 9. Some of the software is newer (GCC 3.3.2, Perl 5.8.1 were the first ones I found). Apache and MySQL were a version behind, but since those just came out a couple of weeks ago, not unexpected.
Haven't really pushed it too hard yet, although since it's on an old 400 MHz PII, I can only push it so hard. It runs pretty well on the old box I stuffed it into. Web pages were served up pretty quickly. OpenOffice apps took a while to load, but ran fine. Seems stable enough. Now to read through some of the Fedora mailing list archives to see what interesting things people are discussing.