Received response for google reconsideration request - How long to see SERP changes?

google said:

Dear Owner or webmaster http://www.site.com/,
We found that some pages of your site make use of technical instructions contrary to the Google Webmaster Guidelines.
Specifically, we detected low quality pages on your site, which are not truly specific or content of particular value. This may, for example, affiliated pages containing little information, doorway pages, content generated automatically or copied content. For more information on the creation of specific content and attractive, go to page http://www.google.com/support/webmasters/bin/answer.py?answer=66361.
We encourage you to make changes to your site to make it conform to our quality guidelines. Once these changes made, please send a request for review to get your site included in Google search results.
For any questions about solving this problem, please visit our Help Forum to webmasters.
Sincerely,
The Google team responsible for the quality of research

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google said:

We received a request from a site owner to reconsider how we index the following site: http://www.site.com/.
We've now reviewed your site. When we review a site, we check to see if it's in violation of our Webmaster Guidelines. If we don't find any problems, we'll reconsider our indexing of your site. If your site still doesn't appear in our search results, check our Help Center for steps you can take.

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