VPN for Cocast Business Class

I am trying to help set up VPN for a small business they are already hosting their own web site, file server and Exchange all of that is working I don't want to futz with it but they would like a hardware VPN so from any computer with an internet connection they can VPN in print, and access the Samba Shares

I have used Cisco and Watchdog but I am looking for an EASY one with Wizard's so I don't have to spent a month of sundays working with it.

this company has Comcast Business class and a Block of 5 Ip's if the notes I have are correct any suggestions?

Exchange server/ Samab/ fileserver are all running on Centos VM's on Ubuntu 9 as is 2003 SBS.

The Router from Comcast is an SMC-8014
they have a NETGEAR ProSafe VPN Firewall FVS336GV2 install no docs on it but maybe it can work let me poke around with it.