USB Storage Boot Drive question

I'm currently in the process of moving my hard drive over to another due to the current one beginning to fail. I can't seem to mount the LION OX system to a dvd, when I try to move the InstallESD.dmg file to burn it it claims the DVD is full when I know that they are empty. I have a blank USB 2 GB drive. Can I use that as a boot disk or would I still need to use a CD?

Your attempt to make a Lion boot drive will require a larger USB thumb drive.  Read this:
http://www.macworld.com/article/1165337/create_a_bootable_lion_install_drive_for _newer_macs.html
Ciao.

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