Nothing from site: will it come back?

I had about 4,000 pages indexed in google. One page was getting 200 hits a day. Today I looked and traffic stopped. site:mysite return 0 results. Any chance this is just a blip and it will come back or do I need to submit a re-consideration request?

Hold out- there's been a lot going on with the SERPs the past week.

Filing a reconsideration request should be your VERY last thing to do, consider that a last resort. Don't bring unneeded attention to a problem that could potentially resolve itself within the next few weeks.

What have you done over the course of the last 3-4 months? What type of content? What kinda website? What kinda backlinking?

The content was scraped and then spun a some. Any pages that where getting hits I went through and made sure they didn't suck and where pretty unique. The whole site was generated a few months ago using the trends and suggestions from google. I just put adsense on it a month ago and was seeing some profits. Nothing crazy, under $100 a month but its the first kinda successful site I have had. The pages that were getting hits I built some links to and was page one in the serps for a few keywords.

Another concern I have is since that first site I realized was too broad and choose more of a nich and have been making more sites. Some of those sites are also in my webmaster tools and analytics. Will they fall too?