I saw too many questions on forum asking step by step process of configuring replication I have these links in my favorites so though consolidating it.

For Sql Server 2000:

Snapshot Replication setup:

By Alexander Chigrik 

http://www.databasejournal.com/features/mssql/article.php/1458491/Setting-Up-Snapshot-Replication-A-Step-by-step-Guide.htm

Transaction Replication setup:

This is by Alexander Chigrik at database journal you can also find the same at mssqlcity.com

http://www.databasejournal.com/features/mssql/article.php/1438201/Setting-Up-Transactional-Replication-A-Step-by-step-Guide.htm

Merge Replication setup:

This is also by Alexander Chigrik 

http://www.databasejournal.com/features/mssql/article.php/1438231/Setting-Up-Merge-Replication-A-Step-by-step-Guide.htm

Another for merge replication by D J Nagendra

http://www.codeproject.com/KB/database/MergeReplication.aspx

and more information about replication and step by step by Mahesh Kodli

http://www.devarticles.com/c/a/SQL-Server/Replication-SQL-Server-2000-Part-2/

For Sql Server 2005:

Transaction Replication setup:

I always refer this great link by longrujun

http://blog.csdn.net/longrujun/archive/2006/06/09/783357.aspx

Merge replication setup:

here is link by Ahmad Eid Salim 

http://www.codeproject.com/KB/database/sql2005-replication.aspx

Finally To Implement Bidirectional Transactional Replication:

http://support.microsoft.com/kb/820675

Thanks you very much to all the bloggers to share this valuable information with us.

I will try to keep this up to date. Appreciate more links if you have any.

Thanx.

Vinay

twitter @thakurvinay