Heh those system requirements are very very high compared to D2 ... i can still play D2 on my PII back at home.
Personally when i play a new RPG, i just make a random char just to checkout the game, graphics, items, quests see if its cool to play. Then i start googling like mad for tutorials, best combo's, strategies to both PvP and PvM. Thats how i did with D2 and now i have a pretty good ideea of what i'm aiming to get.
So when other games like Mu, WoW, Lineage 2, DotA apeared i could only think of what more tutorials i gotta google and waste time to learn the game at its best. Even though they got better graphics and items and monsters and spells and so on.
I only stick to play D2 and CS now adays. I don't got much free time after work and sitting on a D2 server beeing able to level from 1 to 90 in like a week max and then just hunt for items, seems more appealing to me then L2 where you sit a month or more to make something like lvl 50, plus the walking is incredible annoying. Thank god for town portals in D2 :)