Camerahoarders has published a new comparison review between Nikon P7700 and Olympus XZ-2. The reviewer has managed to categorize each of these models as being ideal on different occasions. Check this review out!
Their conclusion: Olympus Stylus XZ-2 is a camera I would choose for urban, street and people shots. It focuses faster than Nikon and has better shot-to-shot performance. This is especially important in urban areas where nothing seems to stay still in these modern times. Touch LCD is another big plus – it allows user to focus and take the shot very fast and without the hassle of focus point change what is especially important for street shooting.
On the other hand, Nikon Coolpix P7700 might be the perfect nature and landscape companion. Its 200mm lens allows us to zoom on the distant details or valley landscape. Side-tilting LCD is especially practical for vertical macro shoots. Slower shot-to-shot time is not an issue here; the mountain is not going anywhere for the next couple of millions years. Instead, it forces you to slow down and think how to frame your shot, resulting in better images. The whole point of going to nature (in my opinion) is to relax and slow down, not to shoot 10fps and run around like a wild goat on steroids.