Using Toast 10 to burn to BD-R data files no good

[Kent Beeson]

Just trying to burn various files, docs, mov's, etc, to my BluRay burner. After 30 minutes using Toast 10.0.6 it says it's only at 12% completed and the time remaining (it says 9:07) never is accurate - could be another 3 hours before finished (based on previous 2 BD-R burns), and then it takes another 30 minutes to "verify" the disc.

Using Verbatim media which is 4x write speed, but this continually says it's burning at 1x. Takes over 4 hours to burn 23GB on a 25GB Verbatim BD-R disc in my MCE TECH 8x Bluray internal burner on my early 2008 MAC PRO, latest Snow Leopard. Surely it should take about 20-30 min, not over 4 hours to burn to a 25GB BD-R...help please.

Thanks

K