Yep the old HOWTO is absolutely not required. If you have upgraded to KDE 4.2 (either by enabling the backports or using the experimental repo), the only thing needed to get PulseAudio working within KDE is installing "pulseaudio" in Adept and making "pulse-session" run before KDE launches using this command:
Code:
cp /usr/bin/pulse-session ~/.kde/env/pulse-session.sh
Then after restarting KDE, Phonon devices(not just the "PulseAudio" device) will map to PulseAudio instead of ALSA.
(and if you want to control PulseAudio per-app preferences you might want to install the GUI "padevchooser")