No. But you can filter out the formats you don't want by going tools > options > filters > keywords. Add the formats you don't want (ie m4a > add. wmv > add & apply).

You can arrange your search page so that the highset bitrates (apart from very low or missing b/r) are at the top. This would at least make it easier for you, having all the 128 grouped together. To do this, double click on the bitrate header.