If you're looking for a safari in Tanzania - please browse through our itineraries at this URL
http://www.africaguide.com/country/tanzania/safaris.htm
If you want to climb Kilimanjaro - please browse through our itineraries here:
http://www.africaguide.com/country/tanzania/leisure.htm
Wonderful Tours and Safari Seekers, a couple of the operators displaying itineraries in Tanzania, have had excellent feedback from clients who have recently taken a safari with them.
For references - see
http://www.africaguide.com/forum/tanzania/137.html
http://travelnotes.community.everyone.net/commun_v3/scripts/thread.pl?MessageID=7222313&NodeID=277635&view=standard
http://www.africaguide.com/forum/tanzania/122.html