We went with African Twilight Safari's. They were GREAT. Highly recommend.
I wrote up a journal after the trip. It is pushing 300 pages (lot of photos). Happy to burn a CD and send it to anyone who is interested.
ATS's web site is:
http://www.africantwilightsafaris.com/Anyone thinking of going to Africa should go visit an SCI show in either Dallas, or (the better show) Reno. you can meet the operators and get a feel as to how they run their hunts.
If you are going to drop 10K on a hunt, you should spend the extra few hundred dollars to go see the guides while they are in town. It's a great mini vacation even if you don't want to go to Africa. An amazing show. And if you love to look at good taxidermy, the mounts they bring in are AMAZING...