I started EQ, 1 boxing; left EQ 5 boxing, via 5 computers, 5 keyboards and 5 mice.

Started wow with two computers and two accounts, no software/hardware.
Basically got to the point where wow was boring and I was contemplating quitting.
Progressed to three accounts and keyclone, and then two more within a few days.
Still quit for 5 or 6 weeks shortly after WotLK came out.
I've met a friend from EQ who happens to play on my wow server, that's pretty much the only thing keeping me in the game these days.