Here you go:
Windows 7 (English) with Service Pack 1
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Windows 7 Home Premium (x86) - X17-58996
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Windows 7 Home Premium (x64) - X17-58997
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Windows 7 Professional (x86) - X17-59183
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Windows 7 Professional (x64) - X17-59186
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Windows 7 Ultimate (x86)* - X17-59463
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Windows 7 Ultimate (x64)* - X17-59465
ImgBurn - In addtion to supporting the creation of CD's from .ISO files,
it supports a wide range of other image file formats, and it's free.
(BIN, CUE, DI, DVD, GI, IMG, MDS, NRG, PDI and ISO)
http://www.imgburn.com/
http://neosmart.net/wiki/display/G/Burning+ISO+Images+with+ImgBurn
Note: Always use the slowest burn speed (4x or 2x) if offered a choice.