If you create 2 separate partitions, Install Win7 onto the first and iATKOS onto the second.

when you no longer want IATKOS, you can simply remove the partition using Win7 or the iATKOS disc, and restore boot flag to The windows partition.

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My Specs
System: Custom Built
Mobo: ASRock Z68 Extreme4 Gen3
OS:Mac OS X MountainLion 10.8.2 & Windows 7 Ultimate x64
CPU: Intel Core i7 2600k @ 4.2GHz
Memory: 16GB DDR3 XMS3 1600MHz
Graphics Card: AMD Radeon HD 6870 1GB

Email/Gtalk:
[email protected]