The Anita Blake series by Laurel K Hamilton. I read the entire series of this one. I enjoyed it but I have to give warning. It is extremely sexually explicit at times (OK, in truth some of the books are almost entirely that way). But if you enjoy vampire/werewolf books with some good battles and who dunits than you'd like it. One thing I noticed, if you read the entire series in order, book 1 to about 5 (trying to remember that far back) are not graphic in that way (in fact they are pretty tame). But I believe it's book 6 when the..... ahem..... fun begins - LOL
If you do read it and ejoy Laurel K Hamilton she also has the Meredith Gentry series which is about fairies and such. Another one I liked.
Sorry to go on for so long :)

I've read her entire series and i don't really have any complaints about it. its fast paced and you get to know the characters in the books since most of them are in the entire series. There is a lot of sexual situations in the books but i wouldn't hold that against the books..

If you like vampire and supernatural type books I would also recommend the Sookie Stackhouse series. It is what the series "Trublood" on tv is based on. Of course the books are a lot better.
I have read Anita Blake as well and I like the first few books, but then it just seems to be the same ol', same ol'.
I also like the Stephanie Plum series by Janet Evanovich. Funny and very entertaining. My daughter got me interested in this series and I actually laugh out loud when I read it.