So I've been going back and forth with Duncan about this... he's trying to tempt me to get a new computer to play Diablo 3. I really want to play Diablo 3, but then I don't want to get a new computer just for that.
I find that I don't use my computer very often anymore, especially not for gaming. The PC gaming market has shriveled up quite a bit, so PC games are pretty scarce. That being the case, getting a new computer to play Diablo 3 would be just like paying $600-$700 (minimum) to play one game. It'd be a different situation if there were other games in the future that I could possibly use a new upgraded computer for, but so far in the past 5 years, it's only been Starcraft 2 and Diablo 3 that my old computer hasn't been able to handle.
Anyway - I choose not to get a new computer.