I really loved Sony's DC Universe Online. I really did. I got 2 level 30 characters that I still took out on co op and PVP instances regularly, but after I changed PCs, I didn't bother to reinstall the game. The reason? I'm not willing, nor am I able, to download 15 gigabytes of data using my third world ISP. But that's how the world of videogames work, right? If you want quality graphics and content, you have to deal with large filesizes.
But take a look at this game: