I'm interested in these topics (pretty much all of IT infrastructure):

• Networking & Security (HP, Cisco, Juniper, etc.)
• Servers (Dell, HP)
• Data Storage Technologies (SAN, NAS, EMC)
• Virtualization & Backup (VMWare, Citrix, Veeam and stuff)
• Electronics
• System Administration (Linux, Windows Server, AD DS)
• And a little bit of Java and .NET for dessert :)