Pretty prog. But slower than molasses - not in burning, but the UI.
Turion 64 X2 Mobile CPU, 2GHz
2 GB RAM
7200 RPM hard disk, fully defragged
On startup, takes about 20seconds to paint the screen properly
Selecting a check box or radio button takes 10 seconds to happen
During burn, 50-70% cpu util, typically 57%
Disc Verification is 4% cpu util