I am a believer in gore-tex. It is not a miracle fabric, but I know is does breath and it is waterproof and most anything that has a gore-tex layer will do so.
I know that there are dozens of waterproof/breathable fabrics on the market now. Most are cheaper that gore-tex. Are these just imitators, or are these equal to or better that the original? I hate to experiment my $300 to find this answer.