Let's be clear on something: Disliking 3e Dungeons and Dragons and disliking d20 system games is not the same thing.
One of my all-time favorite roleplaying games is d20 Modern (along with Sidewinder: Recoiled, a Western RPG that uses the Modern SRD), I'm a big fan of Mutants and Masterminds and Conan RPG, and one of these days I'd like to play Castles and Crusades, when the fantasy jones takes me again.
I am not a fan of 3e Dungeons and Dragons however, for a number of reasons discussed elsewhere.
In any case, I would argue that constructive criticism may be more useful in the long run than a perpetual fanboy circle-jerk - I've yet to find a game system that couldn't be tweaked in interesting ways, and some of the folks on ENWorld produce great ideas that make my gaming experience better.
With that in mind, my main reason for visiting the General RPG forum of ENWorld was already captured quite nicely: