I can't agree with Dog-ger's philosphy of rank Consumerism either.
I'm assuming he works for Harvey Norman, or JB. or Dick Smith, or somewhere similar..
I am finally pensioning off one of my 6 year old computers because its motherboard - a "Winfast" has always been dodgy.
I am giving up fixing it because I actually need a new computer now and it is the logical one to dispose of.
The other one is a little older and still works fine on its DFI board - it just needs a new hard drive.
I'm planning to turn it into a machine to try out Linux distros on as I'll do all my Windows based computing on the new i5 I am about to get.
I'm never buying another ink jet printer - they are an ecological disaster as they turn into land fill so rapidly.
By contrast my Brother B&W laser is nearly 6 yearss old and I can download W7 drivers to keep on using it as it has never played up in all the time I've had it.
The Konica-Minolta colour Laser is nearly as old and going well too