How to install Windows Vista or Windows 7 from a USB drive

[elegant]

Those of you who no longer believe optical drives are essential or own a netbook or similar device without a CD/DVD drive might be left wondering how they would go about installing Windows without one. Relax, as all you need is a 4GB or bigger USB drive, flash or hard drive based.

Please, see this guide @ eTeknix

[striker89]

I want to try it but will it wear out my Usb drive??

anyone have tried it? is there any performance hit?

[anon]

I want to try it but will it wear out my Usb drive??

If your flashdrive uses SLC memory, its cells will work for ~100000 write cycles. MLC memory can only take ~10000. Some newer USB sticks allow up to a million writes.