I have conducted a detailed comparison between LED and halogen lamps and the LED's may last a long time and have very low power consumption, but the light output claims are often wildly optimistic.
To see the full test, visit www.ukzero.co.uk and follow the link.
I guess I'm looking for some help with researching which is most efficient for the power and money.
which is the best as far as:
...and are those measures the ones that matter?