I think it depends on what you mean by different. No two MacBook's models are complete alike, but there may be similar specifications depending on what the consumer is looking for. The best MacBook's in terms of what they offer are the Air models. However, the Pro models are also solid as well.
No they do not, the MacBook Pro is an aluminum unibody and has a different shape than the previous MacBooks. You should search for pictures of both to compare, and you will see that they are quite different actually.
Yes, MacBooks use lithium-ion batteries.
MacBooks are popular and widely used in Germany. (See links below)
A skin for a Macbook can be purchased offline in several different stores. The Apple stores sell skins for Macbooks in many different colors and patterns. One can also purchase skins for Macbooks offline at retailers like Best Buy, Target, or Walmart.
yes all macbooks have wifi you can read about it on this page: http://www.apple.com/macbook/features.html
Yes, MacBooks use lithium-ion batteries as their power source.
macbooks
not long ago
Yes.
Since the macbooks must be returned and repaired, it may take a while. They seem to release the refurbished MacBooks in batches so they are available for a day or two and then there is a gap when they are not available while they build up another batch. It is a case of checking in everyday and then ordering one quickly when they have them.
microsoft eccel
Macbooks iPod iPhone iPad