Oh yes, definitely. Since it's more and more seldom that my friends and I actually manage to get together for some pen and paper adventures; The Foundry is sweeeeet! The ability to flesh out your very own adventure (or even better, for my awesome DM to flesh it out) and then being able to access it anytime, over and over?…
My favorite 4.0 characters have all been Eladrin: their connections to the Fey make them fun to spin stories around. As a warlock with the Fey pact, it was so much fun to design the entity you had entered a pact with. As a barbarian, the Fey Step ability enabled really cool moves and fluff. In Neverwinter, I will go with…