Make a panorama by using a ball:
My website: www.360p.nl
8,67 Gigapixels Panorama: http://www.360p.nl/portfolio/gigapixel/123-bataviahaven-lelystad-8-67-gigapixels
Lots of cameras will probably make it an expensive toy!
It will be interesting to see what price it will be, but the clever part has to be stitching the images as all the cameras clearly do not have their Entrance Pupils (Nodal Points) at the centre of the ball.