Recently we have moved our Primary DB system from SQL 2005 single Instance Running on windows 2003 to SQL 2008 2 Node Cluster Running on Windows Server 2008.
Server Config as below:
HP DL380 G6, 2*4 Xeon X5550 2.67 GHz with 44GB Ram running SQL Server Standard Edition. Connect to HP MSA 2012FC - Dedicated SAN.
Hyper threading is disabled.
We have transaction replication configured from the Primary DB server to 2 subscribers and from there to 8 Different Servers.