2011.02.21 aprox 19:45 PST (GMT-8), returned from a search logged on as user garyk. Running WinXP, browser is IE 8.0.6001.18702. Unable to reproduce.
Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 35 bytes) in /home/chiefdel/public_html/forums/search.php on line 1541
This is typically the result of a search query to returned too many values, It seems CD does a good job at stopping most of these, but you must have gotten through.