All right, we know that Snow Leopard will be, for all practical purposes, a wholesale cleanup of Leopard. Most of the surface features, save for Microsoft Exchange support, will be essentially identical to 10.5, although I suppose there might be some refinements here and there.
But the real stuff will happen out of sight, in the [...]

In Mac OS X’s relatively brief history, it was a sure thing that each new version would be replete with whizzy new features in addition to the normal range of under-the-hood enhancements. This all reached a peak with 10.5, where Apple boasted over 300 new or improved features.
However, Leopard’s stability appears to be a mixed [...]