Here are some pretty great Vampire Anime's that are a must see in my book.
If you know of any more please post them.
Vampire Hunter D Vampire Hunter D: Bloodlust Vampire Wars NightWalker Hellsing Descendants of Darkness Vampire Princess Miyu ( the OVA's) Blood: The Last Vampire Master of Mosquiton (the OVA's) Trinity Blood Tsukuyomi Moon Phase
NOTE: some of these may be a bit too mature for younger viewers. I don't think PeterH should see these. ;D