Original sentence: A very significant difference between Macintosh computers and competitors' models (Personal computers that run on the Microsoft Windows operating system, is that Apple oversees both the hardware and the OS; this is unique among the industry.Also, the switch from PowerPC to Intel is expected to cause problems.Apple is responsible for many innovations that are now industry-standard, and may bring more.Macintoshes are very expensive when compared to PCs.Whereas the Windows OS is manufactured by Microsoft and the hardware by dozens of other parties, Apple facilitates all aspects of their hardware, and creates their own OS
Edited sentence: A GUI is a significant example.A very good Dell desktop can be bought for $500; in Macintoshs, this buys a baseline Mac mini that still requires a screen and imput peripherals.A very significant difference between Macintosh computer's and competitor's models (Personal computers or "PCs" that run on the Microsoft Windows  operating system is that Apple manufactures both the hardware and the OS.Also, the switch from Power PC to Intel is expected to cause problems.Apple is responsible for many innovations that are now the industry standard, and may bring more.However, there is enough evidence to compile a list of the different attributes of Macs and PCs.Macintoshes are very expensive when compared to competitor's models.Macintoshes have a greater aesthetic appeal than many other computers.Some Macintosh owners may be said to belong to a so-called "cult of Mac", and indeed many self-identify as such.Some of these claims are legitimate, some are not, and others are unverifiable.The term refers to a subculture united in its belief that the Mac experience is more aesthetically pleasing, user-friendly, powerful, and reliable than competitors' products.They are much more compact—a great example is the iMac G5—and the case materials have also been said by some to be more attractive.This is unique among the industry.Whereas the Windows OS is manufactured by Microsoft and the hardware by half a dozen other parties, Apple creates all aspects of their products and are such known for very user-freindly products