The only problem with voice recordings on a PocketPC is that it creates another In box for you to process (and you need to look for the notes on your device). A solution is Voice Minder:
It records your voice note and sends it as an email (to you). Of course, it works best with a Pocket PC Phone or Smartphone, but a non-phone Pocket PC can work too - it will just send the email when you sync.
I don't work for WebIS, but love their software...