You've probably noticed that you can shoot B&W in the camera. You'll also find that you can put virtual colour filters on (orange, green, yellow etc) to boost certain colours in the image and subdue others. It's best not to shoot B&W in camera, as it will limit your options later, although I believe that if you are shooting RAW, the colour information is preserved anyway. Also, it can be hard to tell which images will look good in B&W until you're reviewing them on your computer anyway, so I always shoot in colour.
A quick B&W conversion in Photoshop is as simple as Image > Adjustments > Desaturate, but what about the colour filters you can do on the camera? Well, what I do, and this is by no means the only or best way to do this - other suggestions welcome ;), is add a new Adjustment Layer to your image. Select "Photo Filter". Now add another Adjustment Layer, this time opting for "Hue/Saturation". Move the Saturation slider to -100, and you should see your image in B&W. Now, if you open up the first Adjustment Layer, you can select coloured filters just like you can in the camera, but here you can see the effect of each filter, adjust the strength of the filter, and choose what works best for the image.
Yes I think you're right on that one. I'll experiment with the original. Also do you have any suggestions or techniques of have to get good B&W results from the RAW image? I've been told there are ways but not what they are yet :)
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