Anyone found an answer for this?

I got SQL2K and SQL2K5 co-exist on the same machine in Win 2K3 cluster, and i didnt face a problem to date

This article helped in my case...

http://msdn2.microsoft.com/en-us/library/tfyahe0f(VS.80).aspx

I believe you are trying to install SQL on a group where you have only Physical Disk, make sure you have Network Name and IPAddress resources in the group aswell...

Answers inline:

From what I'm reading here in this forum I will need to install the manament tools on the second node is this true?

Yes you need to add Management...

the article for SSIS on SP1:

http://support.microsoft.com/kb/918644

Hope this will help

sp_MShasdbaccess