LR 2.5 / Sony A700 / Noise Reduction

i there,
I have tested LR 2.5 with Sony raw files (>= ISO 1600).
My experience is, that
- there are improvements in color noise reduction ( no more color spots)
- but another problem is still unsolved:
The Sony "Image Data Converter SR" has a much better noise handling comparing to LR (YES, i made a new import to LR).
The problem is, that in areas of "nearly the same color", i.e. in black shadows,  LR is producing ugly structures, which are missing in the sony converter.
Any experiences from other A700 users?
Best regards

It would be easier to comment if you posted a screen capture and attached it to your forum message so people can comment based on what they see.
I am not famliiar with Sony's software, but Lightroom is non-destructive and so has to do all of it's processing on the fly every time you make an adjustment to the image so it will never do as good as software that takes seconds per image to reduce noise using sophisticated algorithms that only run once and then the changes are baked into the image.
Sony's software is likely tuned for the particular camera's noise-characteristics which is something LR will be, because it supports 100s of cameras and doesn't do something different from one to the next.
That said, my general complaint is that LR doesn't allow enough sharpening or noise-reductoin...the sliders need to be allowed to go much higher for particular situations.
I have Photoshop and use NoiseNinja or NoiseWare plug-ins as a post-processing step if NR is really important, but tend to get ok results with most things wtihout resorting to Photoshop.

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    If you don't have a photo sharing site, there are several free ones, such as
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