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If the drive hasn't been initialized to any format yet, choose the Mac OS Extended (Journaled) using Disk Utility. Then do a fresh install from there.
 
Thank you.

I´ve bought an OCZ Vertex 2.

Dont do a full format the whole drive, just set up the partition tables and or quick erase... also, never Defrag if you're used to doing that. The less data you alter on the SSD the better.
 
My intentions are not to spam - but myself and a teammate just replaced our SuperDrives with SSDs and cloned the OS (except /Users) onto it. We wrote up a post on everything involved:

http://www.element84.com/blog

Just thought it was relevant to the OPs question.
 
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