Hi Susanne;
Kenya is now safe to travel in all aspect, last month i had a visit to Kenya and Tanzania and really i enjoyed the holiday.
I recommend you check with Absolute Destination Safaris Ltd, who are the among the best cheap tour operators in East Africa and they are the one i booked with.
Their email is
sales@absolutesafaris.net or even check their website:
www.absolutesafaris.net, tell them that you have been recommended by Mr.Blummer
Regards
Robinson Blummer