Core i5 4670k @ 4.3Ghz
Gigabyte Z87 mobo
32GB DDR3 RAM
256GB Samsung 840 Pro SSD (OS/Apps)
2 x 1TB Seagate HDD in RAID0 (scratch disk)
2 x ATI Radeon HD5850 Crossfire
Watercooled CPU/GFX (mainly for the noise)
2x 24" 1080p Samsung LCD
Older 50" LG FullHD Plasma (movies)
Runs Win7 Used mostly for VMs, Creative Suite and a bit of Gaming and HTPC use.
AMD Athlon II x4 615e
Asrock Nforce based mobo
LSI 16 Port PCIe X8 SAS/Sata Controller
4 x 5in3 SAS/SATA backplanes w/trays. 64GB SSD OCZ Vertex III (OS)
16 x 2/8TB HDDs (RAID6, main storage ~100TB usable w/XFS once upgrade to 8TB drives is complete)
2 x 4TB HDD(RAID1, backups)
2 x PCIe Gbe Network cards
1 x PCIe Wifi adapter a/b/g/n
Runs Ubuntu Server, Mainly used for archiving lots of VMs, DVD and BD images. Also does double duty as main router/Intranet/VPN host. Runs 24/7.
Also several other older systems around the place, but nothing particularly interesting about them, they're mostly Franken-rigs built with whatever leftovers were available during a decades worth of upgrade cycles and random projects.