Get 13 free songs from iTunes Music Store

This is a cool tip for free music:

Get 13 free songs from iTunes Music Store | MacMegasite
Apple has a promotion in which new iPod owners receive an iTunes Music Sampler with 13 free songs from iTunes Music Store. If you already own an iPod, you can also get the same free music.

The question is: Is the hassle of backing up my entire iPod collection and then copying it back over after the transaction is complete worth 13 measly songs? I mean, that's a lot of wasted time and energy.