21.5 iMac – 3.06GHz/1TB HD plus ATI Radeon HD 4670 graphics with 256MB Apple Wireless Keyboard Magic Mouse Cleaning cloth Power cord Install/restore DVDs Printed and electronic documentationAmazon.com Product Description . Snow Leopard builds on a decade of OS X innovation and success with hundreds of refinements, new core technologies and out of the box support for Microsoft Exchange. iLife features iPhoto, to easily organize and manage photos; iMovie with powerful

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Traditionally notebooks are made from multiple parts. With the MacBook Pro all of those parts with just one part–the breakthrough unibody enclosure. Every MacBook Pro starts its life as a single block of aluminum, which is precisely machined . Snow Leopard builds on a decade of OS X innovation and success with hundreds of refinements, new core technologies and out of the box support for Microsoft Exchange. iLife features iPhoto, to easily organize and manage photos;

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It comes pre-loaded with Apple's Mac OS X 10.6 Snow Leopard operating system–an operating system custom-designed for the advanced technology inside–and it also comes with the iLife '09 suite of applications, including iPhoto, iMovie, .. computer than it did to install them. Too easy. As for the speed and performance of this machine: 10 stars out of 5. It's faster as can be, and can handle every multiple thing I'm doing in the film scoring/orchestral world with ease.

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However, Snow Leopard features 64-bit support with enhanced performance via multiple processor cores and GPUs. It also supports new version of Quicktime, out-of-the-box support for Microsoft Exchange and automatic updates for printer

Source: http://blog.7touchgroup.com/2010/02/can-windows-7-dominate-over-snow-leopard-and-chrome-os-%E2%80%8F/

If you click on "erase" (like I did, with one hand over my eyes) you can wipe the drive clean with various security options, and then you can do a fresh install of Snow Leopard on your computer on a pristine hard drive. While Seagate has 7200rpm 500gig 2.5 inch drives, I've personally had problems with multiple drives from that company. I digress. Once you've yanked the hard drive, run disk utility as planned and format the newly installed hard drive.

Source: http://www.tuaw.com/2010/01/30/how-to-clean-install-snow-leopard/