SBS VPN setup?

I haven't done this before, but will be installing SBS Windows 2003 R2 or
2008 whichever is best suitable for my client, and like to know how he can
VPN into the server off site using the internet?

My question(s) are, does VPN come with SBS 2003 R2/2008, and is it easy to
setup and configure so that he can use it remotely?

Please advise?

Thanks-

Dave-
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