Hmm I could. Honestly I'm hugely biased.. I kinda like having more than 1 game for background and lore and such. Makes the game world feel more established. However, everything starts somewhere. I don't know though.. I'm already poor, and going to get Skyrim.
I don't play every RPG that comes my way though. It needs to engross me. What's so engrossing about Arx Fatalis?
I'm probably biased the other way because it was the first RPG I was motivated to play other than Daggerfall, which I found at about the same time.
It positively oozes atmosphere. You go somewhere new and weird and it doesn't just feel like something might jump out at you; it feels
wrong. The claustrophobic dungeons, scary things (no level scaling here) and sense that the world has gone wrong with twisted magic are the stuff of nightmares.

Morrowind managed this sometimes and so did System Shock 2.
If you like TES games it also has pleasing features. You're not restricted in what skills you advance, there are different ways to vanquish enemies, and it made an attempt at dynamic world simulation long before Oblivion tried it. The NPCs have schedules and it factors into quests. The game is beatable even if you manage to kill everyone in it.
It's a pretty sweet game and you might be able to find it dirt cheap by now. It was about $25 when I found it in 2004 and I wasn't complaining at all. That was in Canadian dollars too, which were worth garbage at the time.