[craigbeat]

Using dvdplayer and sticking
<pvr>
<minvideocachelevel>0</minvideocachelevel>
<minaudiocachelevel>0</minaudiocachelevel>
<maxvideocachelevel>0</maxvideocachelevel>
<maxaudiocachelevel>0</maxaudiocachelevel>
<cacheindvdplayer>false</cacheindvdplayer>
</pvr>

In advanced settings makes channel switching INSANELY fast on this build. Unfortunately, I still can't play HD channels on dvdplayer.