Pros and Cons Between UNIX and Windows Servers

Hi,
Currently the business I work for runs SAP on UNIX, but there is talk of moving to Windows servers as there are more skills available in SQL.
It is our belief however, that UNIX servers are more 'stable' than Windows. We believe it would cost more in staff time if there was a transfer to Windows because of more system downtime, due to a larger amount of server updates.
I would like to know the experiences and opinions of' anyone who has made the switch from UNIX to Windows, or vice versa.
Has anyone considered moving to Windows and decided against it? What were the pros and cons?
II'm sure this is an issue that has been considered by many experts. I look forward to reading your responses.
Regards,
Luke

Thanks Michael, that thread is really useful and gives me some good information for my report.
I'm still interested in hearing more opinions on this. Is there anyone that has successfully fought off a proposed change to Windows from UNIX based on pros and cons, or vice versa? I want to hear both sides of the argument and have a really interesting, opinionated discussion in this thread.
Regards,
Luke
Edited by: Luke Mercer on Apr 22, 2010 6:02 PM

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Edited by: EZEG80 on Nov 9, 2010 1:18 AM

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