I am using TDK 48x.
Have been using them without a problem for awhile now.
The last few I burned prior to this had been stalling periodically, sometimes 10%, or 13% and I found that if I opened up say IE it would 'goose' it out of it's slumber and continue to burn. (In the 5.5 ver)
Have tried various speeds lately, set at "determine max" but 48, 24 makes no difference. Just stripped everything Nero off (had a older version), reinstalled and tried again, no change.
Suspected that it could be the media....drivers? My CD writer? It is a CenDyne made LiteOn.....frustrated...