I drink a lot of green tea every day. I know it has some caffeine, so I usually cut myself off before 3:00 pm. I love brewing my green tea way longer than recommended, so that it is strong and bitter. If you don't like fruity drinks, you might like a strong green tea! One of my favorite blends is Kyoto Cherry Rose, which is carried by lots of loose tea retailers. The rose flavor is stronger than the cherry flavour, by far. tnik.com/gr_org_kyoto_cherry_rose.html
I also like genmaicha, which is green tea blended with roasted brown rice. This is about as far from fruity as it can get- brewed, it's rich and earthy and well, it has a great undertone of rice.