loav8r,
A good website to find out what's going on is:
Oyibosonline
You'll need to register with them to get access to the security threads.
So far this year 75 expatriates have been kidnapped, 3 killed and 3 are presently being held, with 41 Nigerians having been kidnapped and 58 killed. In 2006 72 expatriates were kidnapped and in 2007, the worst year to date, 172 were kidnapped.
However, both Bristow and Aero/CHC now have journey management and security procedures in place, which makes other, softer targets more likely to be taken.