Market Pulse survey in Asia show the top IT Infrastructure Concerns: 

• Energy Efficiency: Balancing high levels of availability and efficiency
• Heat Density: Higher density results in hotspots
• Availability: High levels of availability needed to avoid downtime
• Power density: Power capacity issues with increasing IT equipment in the rack
• Space constraints: Real estate costs and logistical limitations in the space
• Technology change management: Adapting to latest innovations in IT equipment and infrastructure

Market Pulse October 2010 ITC Infra Survey
Energy now #1 concern