This turned out to be a problem with Perl 5.00503 - it threw itself into an inifite recursion, and was consequently killed for running out of memory. The attached file (GT/WWW/http/Response.pm) fixes _that_ problem, but if running 5.6 or newer you don't need to worry about it.
Jason Rhinelander
Gossamer Threads
jason@gossamer-threads.com
Jason Rhinelander
Gossamer Threads
jason@gossamer-threads.com