LameDrop is a real handy tool
http://www.rarewares.org/mp3-lamedrop.phpit is just a floating icon you drag the green track name or master onto
you will find the mp3 in C:\bb\DragDrop
right click it for options like output folder n bitrate
RealBand > Render > Merge to Stereo wav > drag wav on lame drop.
Use mono encoding for mono tracks.