Quick search does not appear to return results to a search. The following error is thrown by IE 8:
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 1.0.3705; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Timestamp: Mon, 11 May 2009 17:57:35 UTC
On the other hand if you search on a term that you know will not have results the error does not occur and the page behaves as expected.