ooh, this is a hard one. titling anything is always terribly difficult. i'd say keep with iMurder, and then have different "flavors," like iMurder: Noooose (play off of zoooomer, or however many o's there are in there).
but it's hard to come up with a title if you don't know how people are dying. and i find mystery titles so cliche these days.
and i have a crush on Vincent d'Onofrio too, but i seriously had problems in the beginning of the series, because he was so creepy that it reminded me of is character in Full Metal Jacket.
i can't wait for the new series! and jealous that someone is getting some real writing done this summer. i can barely get a blog post that i don't hate out the door, never mind any stories or poetry.