Dell: Want XP? That’ll be $150 please!

How much extra will people people pay to avoid Vista? More and more. In June, Dell (DELL) started charging customers an extra $20 to $50 for a downgrade to Windows XP. By October, Dell’s XP premium was up to $100. We checked in on Dell’s site today, and the retailer is now charging a whopping $150 for what Microsoft (MSFT) says is outdated software.