QUOTE(BlizzardCraft @ Apr 30 2013, 12:25 AM)
aha , the sigma bokeh better than nikon, but will over expose lah..
haha nice lo watch his video, release stress

laugh laugh
btw DXO is a good website for lens reviews rite?
DXO test alot of aspects of a lens like vignetting, sharpness, CA, bla bla bla. Quite useful if you're into the technical aspects of a certain lens la.
But their reviews are really technical, not much comment on the real world use of the lens.
For real world uses of lenses, blogs can help but can tend to create confusion due to the subjective nature of the review.
I usually read more than a few review websites+blogs for the lens i'm interested in, then weigh the pros and cons against my shooting style.
Most important is to keep in mind the quirks of the lens you're looking for and see whether these quirks will affect you or not. (AF speed, weird lens design, build quality, whatever you find that interests you in particular)