Originally Posted by MikeSmoke

It was quite a while ago, but if you really want to do the safari thing without feeling like you're with a bunch of tourists behind a glass wall, definitely do Tanzania instead of (or in addition to) Kenya. I did it with a company called Overseas Adventure Travel, and I think they may now be more upscale and aimed at older tourists since I went in the 80s, but we did about 12-14 days in a truck with tents (they're really nice tents lol), guides and a cook, and we crossed the Serengheti seeing stuff you never see in Kenya - and there were only five of us (plus the guides) so it was almost as if you were there by yourself. (The trip we did combined Tanzania with three days of gorilla tracking in Rwanda - obviously they don't do it there anymore but I think you can still do it in Uganda, and it's a once-in-a-lifetime experience.)
After that we just hung out in Nairobi and Mombasa for a week (and whoever said Mombasa is nothing special, just nice beaches, was right) - and then we flew over to the Seychelles for a week. If you can at all manage a side trip to the Seychelles, DO NOT miss it. It's the perfect place to relax after spending a bunch of time in East Africa - I've never been to Fiji, but I can't imagine a more perfect tropical spot :-)