>>Last year we upgraded a dual Xeon server from Win Server 2003 w/SQL 2005 to Server 2003 X64 w/SQL 2005 x64. we had been running a large production database for about 6 months on 32 bit before upgrading (I finally convinced the IT folks that 64bit Windows wasn't a bad thing).
>>
>>Performance on queries that had been somewhat slow (things that took a few seconds or more) were considerably faster on the 64bit version.
>
>How much memory Win2k3 server has?

4Gig IIRC.

This year it was upgraded to 8Gig I think.