How is Macbook Air, Macbook Pro's Solid State Drive compared to Intel or Crucial Technology ones? I want to buy a Solid State Drive for my PC, but also is thinking of just buy Macbook Air or Macbook Pro 13 or 15 inch so that there is already a Solid State Drive.

How does the Solid State Drive (SSD) in Macbook Air or Macbook Pro compare to the SSD drive I can buy for the PC?   (for speed)  Especially the Macbook Air, because it is so slim and small, will it have an SSD that is not as fast as the bigger brothers?

For example, these two seems highly rated for the PC:

http://www.amazon.com/Crucial-Technology-RealSSD-Solid-CTFDDAC128MAG-1G1/dp/B0039SM0AS

and

http://www.amazon.com/Intel-Internal-Technology-2-5-Inch-SSDSA2MH120G2K5/dp/B00486UR2I

and even an external one... but maybe less useful if computer has no USB 3.0

http://www.amazon.com/Iomega-SuperSpeed-USB2-0-External-35141/dp/B0047ZGNIC
The AnandTech Review of the fall 2010 MacBook Air models has some graphs comparing the performance of the built-in SSD to some other SSD drives, including some Intel models. Their conclusion is that the built-in SSD is quite good, though not the best available on the market.

Keep in mind that the storage drive speed is only one factor determining the computer's overall speed. The MacBook Pro models are available with SSD drives as well and will give you better overall speed than a MacBook Air. The AnandTech review of the early 2011 MacBook Pro models includes details about their SSD options, but no direct comparison between the SSDs provided by Apple and market models. They do state "Apple offers an array of BTO (Build to Order) SSD options, however the drives are likely of average performance."