B & M Floor Shifter In 73 Duster

Has anyone used the Automatic B & M Star shifter like this one:

http://store.summitracing.com/partdetail.asp?autofilter=1&part=BMM-80675&N=700+115&autoview=sku

I like the fact that it has the quick shift lockout trigger but I've never seen one on a car before. Are they a pain for daily driving?