Powerpoint and Visio template for network architect

To be a good architect, good Visio and PowerPoint presentation is a must.  Here's the collection of useful icon from vendors.

• Cisco
• Conceptual
• JPEG
• Visio
• PowerPoint (Jan-2013, Mar-2015)
• Product Icon
• Avaya
• (mainly icon for Avaya equipments, no conceptual icon)
• VMware
• PPT: Conceptual (2Q12)
• PPT: Feb 2009
• Visio: (by Veeam, free account creation required)