Looking for server software for a small office

Since I retired my knowledge of the various server versions of Microsoft is not current.
What is the current version of Microsoft server?  2012?
What version might be suitable for a small office ?  I help a physician manage his small office.  It currently has 6 computers all running Windows 7 Pro.  All pc's are currently connected in a peer to peer network.

The physician wants to run a third party software package called Allscripts.  
It requires server software to run.

I have my own small office where I run Small Business Server 2008.  It was fairly easy to configure and seemed to contain just about everything a small business needed.  I suspect it is now archaic.
 
What similar type server package is now available?  I searched for Small Business server 2012 but could not find anything stating whether it exists or has been discontinued.

If you could share some links you think might be useful  it would be greatly appreciated.

Thank you for your help.
donpickAsked:
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epichero22Commented:
Yes, Windows Server 2012 Foundation Edition would be your best bet, and I would go with something very low end.  Dell, for example, has PowerEdge servers that start at around $700:

http://www.dell.com/us/business/p/deals?~ck=mn#!dlpgid=poweredge-tower-server-deals

Windows Server 2012 Foundation edition doesn't require you to purchase CALs, either, so that's a plus.

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WORKS2011Austin Tech CompanyCommented:
What is the current version of Microsoft server?  2012?
less than 25 users I would go with Server 2012 R2 / Essentials, similar to SBS however exchange is hosted. Limit 25 users rather than 75.

I
help a physician manage his small office.  It currently has 6 computers all running Windows 7 Pro.  All pc's are currently connected in a peer to peer network.
Essentials, see above answer. I would take it out of Peer to Peer better performance in a domain as well backups / redundancy, and permissions / security.

The physician wants to run a third party software package called Allscripts.  It requires server software to run.
2012 Server R2 would be great for this.

I have my own small office where I run Small Business Server 2008.  It was fairly easy to configure and seemed to contain just about everything a small business needed.  I suspect it is now archaic.
Not archaic, SBS2008 still in use today and ROI amazing, still running strong. SBS2011 came out and was discontinued fairly quick, another reason to go Essentials on Server 2012 R2 platform.
WORKS2011Austin Tech CompanyCommented:
Regarding CALS, here's a great article.
WORKS2011Austin Tech CompanyCommented:
Hardware, I would go with a Dell PowerEdge. Don't go cheap (less than $1500) it will end up costing you. However 16G, at least RAID1 (two drives, preferably hot swap) or better RAID3 (three drives - I recommend 15K), dual power supplies, PowerEdge T320 around $3000, easily run well for you for the next five years.
donpickAuthor Commented:
Thank you all for your help.  I appreciate your prompt answers.  I pay for access to this site so promptness is appreciated.
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Windows Server 2012

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