This does look related to #39315, and may be fixed eventually. Just thought I'd chime in that I'm seeing this on a Core 2 Duo, Dell E1405.
Ubuntu Edgy / 2.6.17-10-generic / x86_64 -- Konqueror is slow when opening a directory https://launchpad.net/bugs/64325 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
