I might have missed something in 1.2, but I still use Breeze DLP - it can extract the sequence number into the file name, I don't need the alpha lead characters (in a 1d3 default file name). I've grown accustomed to the format yymmdd_xxxx_text where xxxx is the 4 digit sequence number. If LR could give me that format, then I'd consider usability - for which I don't have a feel now.