Fond memories of RoF.
This was probably the last "great" expansion EQ received. While it had some recycled content, it was in places that made sense, with long questlines and strong themes. Each zone felt like its own compartmentalized story, while still fitting within the overarching narrative for the expansion. They also had distinct tiers and a (maybe somewhat overused) progressive gearing system that was easy to follow and didn't require extra combines or tradeskills, which is always nice for returning players.
Oh and that raid content swoon. I still encourage guilds to hit RoF as a training ground at least once if they're brand new to the game. It's a great place to break a new raid force on mechanics. It's been neutered a bit at 110, and was already showing its age during EoK, but it's still not a terrible starting point for a group of newly minted raiders.
It'll probably always hold a special place, for me, because it's where I picked up raiding after returning to Everquest on the Test server. If it wasn't for RoFs easy-to-follow difficulty curve, it's very likely Test would have never seen raids return to the server. They gave me a chance to learn the ropes as a raid leader and start to understand how modern-day EQ raids worked.
We'll probably never see an expansion as solid as RoF, but at least it's still fun to go back and try this content at 110!