Accurate and fair. I would agree lifetime is too far out. At least on the hardware side of things, it generally apears to be within about the 60-month lease window where prices are somewhat stable. When new hardware is released from Nvidia, or Dell, or HP, give it about 1-2 years for machines to ship, then cost of new products and derivative products go up, and old harware sells of in proportion to new hardware prices.
Meaning new hardware has steadily increased in MSRP, and older hardware prices fall in proportion. So machines appear to be losing their value "slower".
