Current specs for comparison (August 2013):

Network:
Motorola SB5100 Cable Modem
D-Link Xtreme N Gigabit router
Multiple D-Link switches

Box #1:

Windows 7 Professional 64-bit
Antec Three Hundred Illusion ATX Mid Tower
CORSAIR CMPSU-850TX 850W ATX
MSI Z87-GD65 Gaming LGA
Core i7-4770K Haswell 3.5GHz
Cooler Master Hyper 212 EVO
16gb CORSAIR Vengeance Pro PC3 1866 (2 x 8gb) DDR3
ZOTAC GeForce 770 Amp! Edition 2gb
ZOTAC GeForce 570 Amp! Edition (dedicated PhysX)
Klipsch ProMedia 4.1
Plantronics Gamecon 780
Corsair Force Series GT 120GB SATA III SSD
Seagate 7200rpm SATA 1Tb (64mb cache)
Seagate 7200rpm SATA 750gb (16mb cache)
Sony BDRW BWU-500S
USB devices:
MS Intellimouse 3.0
MS Sidewinder game pad
Saitek Cyborg 2 Gaming keyboard
ASUS VE276Q Black 27" LCD (shared w/Box #2)

Box #2:

Windows 7 Professional 64-bit
Lian-Li PC-82 Aluminum case
Corsair HX620w
Gigabyte GA-P55A-UD3 P55
Core i7-860 2.80ghz
8gb Kingston PC3 1600 CL9 (2x4096) DDR3
XFX Radeon HD 4890
Creative X-Fi XtremeMusic
JVC FS-MD9000 Mini-System
Seagate 7200rpm SATA 1Tb (32mb cache)
Seagate 7200rpm SATA 500gb (32mg cache)
Pioneer BD-ROM Blu-ray BDC-202
Samsung SH-S18D DVD-RW/+RW
USB devices:
Logitech MX518 Optical
Saitek Eclipse Gaming keyboard
ASUS VE276Q Black 27" LCD (shared w/Box #1)
Acer x223W 22” Widescreen (secondary monitor)

Box #3:

Windows Vista Ultimate Ed. 64-bit
Antec Three Hundred ATX Mid Tower
Antec TruPower Trio 550w
MSI 785G-E53 AM3 785G
AMD Phenom II x2 560 Black Ed.
8gb OCZ PC3 10500 Gold Ed. (4 x 2gb)
PowerColor Radeon HD 5750
Asus Xonar D2 7.1
Altec Lansing ACS56 4.1
Seagate 7200rpm SATA 500gb (16mb cache)
LG GH22NS50 22X DVD-RW/+RW
USB devices:
Generic 6in1 card reader
Epson RX595 All-in-One Scanner/Copier/Printer
MS Wireless 3000 Keyboard and mouse
Samsung SyncMaster 225bw 22"

Box #4:

Windows Vista Ultimate Ed. 64-bit
Cooler Master Elite 341 mATX Mid-Tower Case
OCZ StealthXstream 600w
Asus M4A78 Pro
AMD Phenom x4 9950 Black Ed. 
4096mb OCZ PC2 8500 Gold Ed. (2x2048mb Unganged, 1066mhz)
eVGA GeForce 2600GT
Creative Audigy2 ZS
Creative GigaWorks T20 2.0
Western Digital 7200rmp SATA 320gb (16mb cache)
SAMSUNG BD-ROM Blu-ray SH-B123L
USB devices:
Logitech MX510 Optical
HP Pavilion w2408 24" 

Box #5:

Windows Vista Ultimate Ed. 64-bit
Cooler Master Elite 330 case
OCZ StealthXstream II 700w
Asus M4A78LT-M LE
AMD Phenom II x2 560 Black Ed. 
4096mb OCZ PC3 10500 Gold Ed. (2 x 2gb)
eVGA GeForce 470
Samsung 7200rpm 500gb (8mb cache)
Samsung SH-S18D DVD-RW/+RW
USB devices:
MS Sidewinder game pad
Logitech MX300 Optical
Memorex Maestro 2760 keyboard
Samsung SyncMaster 2333HD (shares w/XBoX 360 and XBoX One)

Box #6:

Windows XP Professional sp3
Linkworld Electronic 727 Micro-ATX
Diablotek PHD Series 650W ATX
ASUS M4N68T-M AM3 NVIDIA Geforce 7025/nForce 630a
AMD Sempron 140 (retail HSF)
2048mb Corsairs PC3 10500 (1x2048mb single-channel)
Seagate 7200rpm SATA 160gb (8mb cache)
Samsung SH-S18D DVD-RW/+RW
USB devices:
Logitech G5 gaming mouse
ViewSonic VA903b 19" LCD

Box #7: (Netflix box)

Windows Vista Home Premium 32-bit
Antec value ATX case
Antec TruPower 480w
Gigabyte M61PME-S2P
AMD Phenom x2 7850 Black Ed.
2048mb OCZ PC2 6400 (2x1024 Unganged 64-bit)
eVGA GeForce 240 GT DDR5 1024mb 
Western Digital 7200rpm SATA 250gb (16mb cache)
Samsung SH-S18D DVD-RW/+RW
Sony Bravia 40" LCD HDTV