It will be faster, but I don't see that as a reason to get it just based on that. We copied 1,200 songs over to the wife's ipod last Christmas when she got it as a gift, since then we haven't had to add more then a few here and there.
So yes, while it's faster, it's not something you need to do every day. Once you get the bulk of your collection over, then it's a few songs here and there, and the speed difference isn't really that big of a deal.