If you're like me, you probably find yourself tweaking your themes more often than not. I recently came across Solarized and have to say I'm digging it! It looks great in my terminal!
Check it out...maybe you'll be as happy with it as I have been.
Solarized - Precision colors for machines and people
Solarized is a sixteen color palette (eight monotones, eight accent colors) designed for use with terminal and gui applications.