Tom's Hardware redid their comparison on component upgrades after much complaining and this seem quite a bit more relevant to real life.
They took a 3 year old system and replaced GFX card, HD, and then Mobo/Ram/CPU individually and check what impact it has
enjoy,
http://www.tomshardware.co.uk/component-upgrade-ssd,review-31983.html
They took a 3 year old system and replaced GFX card, HD, and then Mobo/Ram/CPU individually and check what impact it has
enjoy,
http://www.tomshardware.co.uk/component-upgrade-ssd,review-31983.html