How this works out depends on a few things, the biggest being whether or not your current Windows 7 install is the same size as the SSD or smaller. If it is, then just use you disk cloning utility of choice, such as Clonezilla. http://clonezilla.org/
Many SSDs come with their own cloning software that you can use if you wish. I have had one of my five SSDs not come with some type of cloning software, and most upgrade kits (as opposed to bare drives) have something with them.
Note that Clonezilla is a feature on many 'toolbox' bootable CDs, such as Hiren's Boot CD, something I would suggest keeping around.
If the install is bigger than the SSD, then things get a little more complex. The easiest thing to do is to 1) backup all your...