The MacBook Air does not have an internal optical drive, but you can buy an external one for $99 at any Best Buy.
You use the MacBook Air like any other Mac portable. Only, there is no inbuilt SuperDrive, you use remote SuperDrive with the MacBook Air. Please message me if you have any other questions. Or visit "http://www.apple.com/macbookair"
The SuperDrive will work with any DVD that would play in a regular DVD player. So, usually yes.
Yes.
Yes
Yes, there's the Apple USB SuperDrive that plays and burns DVDs/CDs. It goes for $75 on Amazon. I'm not completely understanding your question, but I believe that is what you are getting at.
Yes, a CD/DVD player can be purchased for the product. The item is called a MacBook Air SuperDrive and is sold separately according to a few sites.
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.
most likely all macs come with ichat
Detailed instructions for doing this are here: http://www.ifixit.com/Guide/Mac/MacBook-Pro/SuperDrive/85/6 however this will void your warranty if you are not an apple certified technician.
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.
Macbook air
No. You can purchase an external DVD burner for when you need it. On the Apple Store / MacBook Air / Accessories. USB SUPERDRIVE: Slot-loading 8x SuperDrive (DVDA±R DL/DVDA±RW/CD-RW) Writes DVD+R DL and DVD-R DL discs at up to 6x speed Writes DVD-R and DVD+R discs at up to 8x speed Writes DVD-RW discs at up to 6x speed and DVD+RW discs at up to 8x speed Reads DVDs at up to 8x speed Writes CD-R discs at up to 24x speed Writes CD-RW discs at up to 16x speed Reads CDs at up to 24x speed The USB Superdrive is about $80