We wont ever deploy Windows 7. We have almost completed our transition to linux, and will never look back.
Sure, there is a learning curve moving from Windows XP to linux, but no more than one would see when moving from Win XP to Win 7.
Regardless, the huge cost savings on licensing and hardware refreshes (linux runs quite well on 3 year old hardware) has saved our company a lot of money, and will continue to save us money every year from here on out.
My users dont care if we use a Microsoft product or not - they just want something that works and linux fills the bill.
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