Hi,
a good new for the Customer, the Adapter pack seems to be available in the Standard Edition of Microsoft BizTalk Server.
http://www.microsoft.com/biztalk/en/us/pricing-licensing.aspx
The adapter Pack regroup a lot of LOB (Line Of Business) adapters that provide solutions to easily and securely connect to other applications like Oracle, Siebel, PeopleSoft Etc..
http://www.microsoft.com/biztalk/en/us/adapters-included.aspx
Now the Standard edition seems to be a really good choice for small company that want to use BizTalk Server.
Jérémie - an other BizTalker 