The Spyder 3 works well. The latest software also adjusts monitor brightness. This is a good feature because, in the past, you had to use another software program to make the monitor dim enough to calibrate properly. Now the Datacolor software does it as part of the normal process.
|Ruby Red Dress by cjf2|
from High key portrait with RED
|Follow me home by eaa|
from Shades of Blue in Nature