It’s been a year now since I first started tracking HD drive prices. It’s not a hugely academic study – or extensive for that matter – it’s merely tracking the cost per Gb of the cheapest drive in each major size category on Dabs.com which I believe has some of the most competitive prices (here, in the UK, at least).
As 500Gb drives are clearly the most cost effective, it’s interesting to see 250Gb and 320Gb prices rising. Also interesting is the fact few months ago, other than 750Gb/1Tb HD’s, prices were either stagnant or rising.
If you want more detailed info, you can download the spreadsheet here: .numbers or .pdf.
–kristian