Hi Guys, 

I have a small business that has 3 PCs networked as a home group using the standard vodafone broadband modem. Thus allowing them to share files etc. 
On two of these PCs, I need to deny access to all Websites except about a dozen sites. ie banking etc. The 3rd PC will be able to access all. 

As its such a basic/small business i didnt want to go all out and purchase servers to to make this happen, eg Web Marshal, Domain Controller etc. 

Is there anything cost effective and simple to configure that would work for this instance? 

thanks,