I think that is a bit drastic after only a couple weeks!
On a separate note, I've gone through and searched for quite a few of our product pages along with our domain while searching "example.com keyword1..." and google still has the pages in the index...and each page still has it's PR. I also noticed that Google has indexed pages that we added after the HUGE drop in rankings with Google. What does this mean?...I'm not sure - I'm hoping it may be a clue that will spark a thought with someone.
Also, this weekend I had a couple of friends with strong PR7 sites put temporary links on their home page (and other pages), linking to our home page and some of our product pages. I'm hoping it will prompt Google to rethink our site in some way. Just as a reminder, our 3yr old site is a PR6 and still remains a PR6 after the huge ranking drop....just for those who think that only low PR sites were dropped.