This was done as a student project and I would leave to get some feedback. There is also an android app here: <a href="https://market.android.com/details?id=com.mathisonian.android.whisprabbit" rel="nofollow">https://market.android.com/details?id=com.mathisonian.androi...</a>
Something nice would be to have the threads appear at the point on the page you're scrolled to, instead of at the top. Having to scroll to the top is tiresome and makes you lose your place.