Have you tried Ximian's (www.ximian.com) Red Carpet for upgrading, yet? It's wonderful. It makes upgrading so easy. Red Carpet will scan their database for updates to everything that's shipped with RedHat, as well as a few other programs like Opera web browser. If there is an update available, it will figure out what other packages need to be installed on your system and will install all the RPM's together for you. It's so much better than the old days when you had to screw with the make files and manually configure everything yourself.
You can download and use RedCarpet for free, although you should pay them. They also offer a full featured e-mail program (Evolution) and a few other packages. I don't think that you have to download and use their Ximian Desktop package to be able to use RedCarpet, but I may be wrong. However, it also makes Linux easier. If you do try to pursue this option, be sure to download the version for RedHat 7.2.
That's Spenser, with an "s" like the detective.