This is a tough one. I'm not sure if I'll make a full ten but here goes:
1. The bermuda triangle!
2. Nautical horror - guys, I have a serious water phobia. Serious. So yeah, some nautical based horror would probably be just the thing to actually creep me the heck out!
3. Sci-fi horror a la Alien. Why isn't there more of this?!
4. Ghost ships. Yes, ghost ships. The Flying Dutchman, anyone? I would have thought that with the popularity of Pirates of the Caribbean that we would have gotten something piratey with a ghost ship. (Looking forward to checking out this new book, though.)
5. Even more mythology inspired fiction. We've been inundated with Roman and Norse but we're starting to see some Eastern European and Celtic as well. I love mythology and want to be exposed to even more of it from around the world.
6. More translated teen genre fiction. Yes, this is out there but I want more of it to make its way here to the States. I'm reading Sara B. Elfgren and Mats Strandberg's The Circle as we speak and I really, really loved Johan Harstad's 172 Hours on the Moon. I know there's other fabulous stuff out there I'm missing out on!
7. Romantic comedy with a male perspective a la Charlotte Street. This book was sweet and hilarious and British, so it was full of dry Brit humor. It was fantastic and I want more!
8. Military horror - that's right, military horror. Movies like Below, R-Point, and Deathwatch kind of rocked my socks off. Now I want some books like this.
9. 80s and 90s style horror. Campy and fun, I feel like this was the heyday of the genre, which isn't fair because there's still good stuff coming out if you know where to look for it.
10. I need a ten. Um... I'm going to go with one similar to something I saw on another list and go with obscure but bizarre historical events. They're out there and I research some of them for work (the Bloody Benders, for example and HH Holmes, who is the subject of Devil in the White City) there's a ton of this kind of stuff that could be fodder for great books. It doesn't all have to be dark and twisty either, just not so well known history in general.
I know my list is very horror leaning. What can I say, I crave great creepy reads!