OK, now since you may not have seen the series through yet, I want you to listen to me, now. THIS IS IMPORTANT. Seriously.
Understand that what you are about to see IS NOT THE END. It is critically important that you understand that. Remember that the entire series is told in flashback (from episode I, essentially), and that the story does not end here. The animated series only covers a part of the manga, and leaves quite a few things out (not the least of which is quite possibly the series coolest character, the Skull Knight).
I tell you this because the end of the animated series is....well, Damaging, if you're not prepared for it. Hell, even if you are. I can fill in the blanks for you, if you'd like, as could Scorch, who's even more of a Beserk expert than I am (though we've both read all 24 volumes currently out). The animated series, in case you're curious, covers volumes 4 through 15, IIRC. A lot happens after the animated series ends.
There have been rumors of a sequel animated series, which would be great, or at least some OVAs. The Dreamcast game, again if you're curious, takes place somewhere around volume 17, as a side-story.