I have quite a bit of hardware... Some of it owned, others rented.
Desktop:
CPU: Intel Core i5-2500k @ 3.3GHz
Motherboard: ASRock H67M-GE/HT (Never go Micro ATX)
Memory: 4x4GB Mushkin Enhanced Silverline DDR3
GPU: EVGA Nvidia GeForce GTX 560 Ti (2GB)
Case: Corsair 500R
PSU: Corsair HX750
Drives: Samsung 840 PRO 256GB, 4x500GB Samsung HDDs
Laptop:
CPU: Intel Core i5-2520m
Memory: 2x4GB (8GB Total)
Drives: 80GB Intel SSD, 500GB WD Scorpio Blue in DVD Slot
Media Server:
CPU: Intel Atom D2700 (Intel Mini ITX Board)
Memory: 2x2GB Mushkin Essentials (Laptop Memory)
Drives: 500GB Seagate Momentus XT (4GB Hybrid drive), 2TB Seagate
Servers (2 of these basic specs, one of them has 2x1TB):
CPU: Dual Intel Xeon L5520 @ 2.27GHz
Memory: 24GB DDR3
HDD: 2x1TB or 1x1TB
Monthly rental.