Our main servers have:

Highly available, brand new IBM Blade servers with state of the art Xeon CPUs managed by VMware
Cisco routers
IBM nSeries NAS storage systems
Secure, Australian data centre (the largest in the Southern Hemisphere) with dual Tier 1 ISP connections plus PIPE peering
http://www.globalswitch.com/locations/sydney-data-center/

Cores  4
16 Gb RAM
Virtualisation Software VMWare

Networking
Auto-failover multi-homed network
Dual Tier 1 ISP connections (Telstra & Uecomm)
Additional ISP connections with PIPE
Cisco Routing

Features
99.9% uptime guarantee
24×7 network monitoring
24×7 hardware monitoring
Daily snapshot backup
Automatic security updates
SOPHOS anti-virus
Cloud Linux