Hello JediMeister,
See also these additional resources:
Peer-to-Peer Transactional Replication
Best Practices for Replication Administration
http://blogs.msdn.com/sqlcat/archive/2007/05/07/sql-server-2005-transactional-replication-benefit-of-using-subscriptionstreams-for-low-bandwidth-high-latency-environments.aspx
Merge Replication Performance Improvements in SQL Server 2005
Best regards,
Robert