Here is a comparison picture between the current iMac (Apples desktop computer) and the previous iMac (which ran Mac OS 10.4 - tiger). The Current iMac on the right runs Mac OS 10.5 - Leopard and soon to be released - Snow Leopard (10.6):

  

Here is the Current iPod Classic and revolutionary iPod Touch:

The MacBook. These two images show the MacBook late 2008 edition and the First Edition MacBook Air (the worlds thinnest laptop):