most likely all macs come with ichat
On a MacBook, use iChat.
Yes
Yes.
The MacBook Air does not have an internal optical drive, but you can buy an external one for $99 at any Best Buy.
The Macbook Air was introduced to the public on January 15, 2008 at the Macworld Expo, and was available for purchase on January 29, 2008.
This computer comes with the following software included: Time Machine, Spotlight, iChat, Safari,iCal, DVD Player,Front Row, Photo Booth, XCode Developer Tools, iLife '09 (includes iTunes, iPhoto, iMovie, iDVD, iWeb, GarageBand) plus more!
Macbook air
The macbook air super-drive is basically a disk drive(like the ones you find in other mac laptops). You can use it to play dvds, cds and games.
The Dakota font may not be supported by iChat, or there may be compatibility issues between the font and the iChat software. It is recommended to use a font that is known to be compatible with iChat for better performance.
Macbook Air.
No, the Macbook Air does not break easily.
The MacBook Pro cases are much larger and sturdier the the MacBook Air cases.