I'm reserving judgement till I play the game tonight after work. If it sucks then Carmack and his games are dead to me from now on. I'll vote with my wallet.
Same here, except play Friday because Europeans must be punished with a later release date as usual.
If texture pop´ing isn´t fixed on AMD GPUs, in a matter of days, I will burn my Steam copy to a DVD and send it to id´s office with a "thank you so much note" attached.