My experience of the SP-BMC-2s line into a recorder via BB have been that they will distort at loud shows close to stacks, so I gave up after a couple of run outs. Sure they are fine under less loud conditions, but they didn't really perform in the sort of shows I go to.
So in that sort of price bracket you really can't go wrong with the Church mics, never had any problems at loud shows with a BB and now's a good time to take the plunge with the current offer he has on.