A key piece of information is missing. From the article you referenced, is this a 32 bit version running on 64 bit Windows?
Ok, I will give you that. You may or may not see a difference in performance, however.
Can you run this query?
sp_configure 'show advanced options', 1
RECONFIGURE
And then run this one, and post the results?
sp_configure
Michael L John
If you assassinate a DBA, would you pull a trigger?
To properly post on a forum:
http://www.sqlservercentral.com/articles/61537/