I agree with Lee. I don't get why though. I always get complimented on my forearms though, and I'm only eighteen. I'm pretty vascular, though. Funny thing is, I'm not immensely lean - my forearms would suggest otherwise, however. I guess it can be a good thing. When I bulk, you can't even tell.
Don't focus on them directly - no need. How much are you deadlifting? Those will put a big mechanical strain on your biceps and forearms. Throw in hammer curls if you must.