Personally I would recommend Rurouni Kenshin, it's action packed anime with fair share of gore, though don't expect flashy, devastating attacks as in DBZ, or Naruto for that matter. The story takes place in feudal Japan, and it's really griping, except for last 20-30 episodes which are fillers, not necessarily bad ones, still...Characters are rather interesting, memorable, even more if you decide to watch both OVA's prior to main anime. In general it's a sad anime, though there are quite a few scenes that will make you laugh.
You may also like Basilisk, Devil May Cry, Ninja Scroll, Ten-Jou Tenge...if any of these caught your interest I can give you personal opinion, if by any chance you're feeling lazy to google that is =).
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